A cancer diagnosis often brings uncertainty, complex medical terms, and many questions about what happens next. Understanding cancer types and treatment options is the first step toward making informed decisions about care.
Cancer is not one single disease, it includes many types, each requiring a different approach based on its location, stage, genetic features, and overall health of the patient. With advances in oncology, treatments now include surgery, chemotherapy, radiation therapy, targeted therapy, immunotherapy, and personalised care plans.
This guide explains the major cancer types, modern treatment approaches, and how doctors create effective strategies to support better outcomes.
What Actually Determines a Cancer’s “Type”?
Cancer is not a single disease but a group of more than 100 conditions, each defined by where it begins, the type of cells involved, and how much it has spread. For example, cancers that start in organs often form carcinomas, while blood-related cancers include leukaemias and lymphomas.
Staging (Stage I–IV) shows the extent of cancer spread and helps doctors decide whether surgery, radiation, chemotherapy, or other treatments are needed. Grading, on the other hand, explains how abnormal the cancer cells appear and how aggressively they may grow. Since stage and grade vary, treatment plans are always personalised for each patient.
The first step toward understanding treatment options is knowing the major cancer types, as each cancer behaves differently and requires a specific approach.
Major Cancer Types You Should Know
Cancer can develop in almost any part of the body, and each type has unique characteristics, risk factors, symptoms, and treatment pathways. According to the Indian Council of Medical Research (ICMR) data published through the National Cancer Registry Programme, cancer cases continue to rise across India, highlighting the importance of awareness, early detection, and timely treatment.
The table below provides an overview of common cancer types, where they develop, and the treatment approaches doctors commonly consider.
| Cancer Type | Commonly Affected Area | Key Treatment Approaches |
|---|---|---|
| Breast Cancer | Breast tissue | Surgery (lumpectomy or mastectomy), radiation therapy, chemotherapy, hormone therapy, targeted therapy |
| Lung Cancer | Lungs | Surgery (when possible), chemotherapy, radiation, targeted therapy, immunotherapy based on cancer type and biomarkers |
| Oral & Head/Neck Cancer | Mouth, throat, and related tissues | Surgery, radiation therapy, chemotherapy, reconstructive procedures, targeted treatments |
| Blood Cancers (Leukaemia & Lymphoma) | Blood, bone marrow, lymphatic system | Chemotherapy, targeted therapy, immunotherapy, stem cell or bone marrow transplant in selected cases |
| Cervical Cancer | Cervix | Screening-based early detection, surgery, radiation therapy, chemotherapy, targeted treatments |
| Ovarian Cancer | Ovaries | Surgery, chemotherapy, targeted therapy, personalised treatment plans |
| Gastrointestinal Cancers | Stomach, colon, rectum, liver | Surgery, chemotherapy, radiation therapy, targeted therapy, multidisciplinary care |
Understanding the cancer type is only the beginning, doctors also consider the cancer stage, genetic markers, overall health, and treatment goals before creating a personalised care plan.
How Doctors Decide a Cancer Treatment Plan: The Tumour Board Approach
Cancer treatment decisions are rarely made by one doctor alone. In advanced cancer centres, complex cases are reviewed by a multidisciplinary tumour board that includes medical oncologists, surgical oncologists, radiation oncologists, radiologists, and pathologists.
By reviewing scans, biopsy reports, and patient history together, the team creates a personalised plan based on the cancer type, stage, and overall health rather than a single-specialist approach.
Core Cancer Treatment Options Explained
1. Hormone therapy
It blocks or lowers hormones that fuel certain cancers' growth. Cancers like hormone receptor-positive (HR+) breast cancer, and many prostate and uterine cancers, depend on hormones such as estrogen or androgens to multiply, oncologists test tumour tissue for hormone receptor sites before recommending this approach, and treatment can continue for five to ten years in some breast cancer cases, making it one of the longest-running therapies a patient may stay on.
2. Ablation therapy
It uses extreme heat or cold rather than drugs or beams to destroy cancer cells with near-surgical precision, without large incisions. Cryoablation freezes cancer cells; radiofrequency and microwave ablation use heat. These are most often used to shrink small, localized tumours, particularly in the liver, kidney, or lung, when conventional surgery isn't the best option, or to relieve symptoms in advanced disease.
3. Surgery
Cancer surgery offers curative-intent treatment for most solid tumours when disease is confined and resectable. Surgical margin status, R0 (no residual tumour), R1 (microscopic residual), R2 (gross residual), directly determines whether further treatment is needed. Robotic platforms like Da Vinci allow operation through small incisions with greater range of motion than the human wrist, now preferred for prostatectomies and select gynaecological and gastrointestinal procedures.
4. Radiation therapy
Delivers ionising radiation measured in Gray (Gy), typically fractionated across multiple sessions, for example, 25 fractions over five weeks for many breast protocols, to give healthy tissue more time to repair than cancer cells can manage. Image-guided radiation therapy (IGRT) captures a verification scan before each session to correct for daily shifts in tumour position, improving accuracy to within millimetres. Brachytherapy places a radioactive source directly inside or next to the tumour, used in cervical and select head & neck cancers.
5. Chemotherapy
Chemo drugs are classed by mechanism: alkylating agents and platinum compounds damage DNA directly, antimetabolites interfere with DNA synthesis, and anti-microtubule agents disrupt cell division itself. Because these mechanisms target rapidly dividing cells generally, healthy fast-dividing tissue, hair follicles, gut lining, bone marrow, is also affected, the biological basis for hair loss, nausea, and lowered blood counts.
6. Immunotherapy
It works differently: checkpoint inhibitor drugs block proteins like PD-1 or PD-L1 that cancer cells use to "hide" from immune attack, releasing the brakes on the patient's own T-cells. Response isn't universal, which is why biomarker testing, PD-L1 expression, MSI-H status, tumour mutational burden, precedes prescription rather than following it.
7. Targeted therapy
It is built around a specific molecular driver, EGFR mutations in certain lung cancers, HER2 amplification in certain breast and gastric cancers, identified through molecular testing of the tumour. A drug effective for an EGFR-mutant lung cancer typically does nothing for a lung cancer without that mutation, making molecular testing a prerequisite rather than an optional add-on.
8. Bone marrow and stem cell transplantation
This is reserved for high-risk leukaemias, certain lymphomas, aplastic anaemia, and select genetic blood disorders. The procedure follows high-dose conditioning chemotherapy intended to eliminate existing bone marrow, after which healthy stem cells, from the patient (autologous) or a matched donor (allogeneic), rebuild blood-forming function.
Allogeneic transplants add a graft-versus-leukaemia effect, where donor immune cells help eliminate residual cancer, though this also raises graft-versus-host disease risk, which is why donor matching and post-transplant monitoring are managed closely.
Also Read: Cancer Surgery in Kozhikode: Dr. John J Alapatt on When Surgery Is the Right Choice
The final treatment approach depends on the cancer type, stage, molecular features, and the patient’s overall condition and treatment goals.
How the Main Treatments Compare in Practice
No single cancer treatment follows the same path. Some involve a one-time procedure, while others continue over months or even years. The table below compares the most common treatment options, how they are delivered, how long they typically last, and the follow-up care they require.
| Treatment | Typical Duration | Delivery | Main Monitoring Needed |
|---|---|---|---|
| Surgery | Single procedure + recovery | Inpatient | Wound checks, margin pathology, periodic imaging |
| Radiation | Daily sessions over 3–7 weeks | Outpatient | Imaging verification, skin assessment |
| Chemotherapy | Cycles over 3–6+ months | Mostly outpatient (IV/oral) | Blood counts, organ function tests |
| Hormone therapy | 5–10 years (select cancers) | Oral, no hospital stay | Bone density, endocrine follow-up |
| Immunotherapy | Months to years, response-dependent | Outpatient infusion | Immune-related side-effect monitoring |
| Bone marrow transplant | Single procedure + extended recovery | Inpatient | Infection risk, graft-versus-host monitoring |
Get Complete Cancer Care at Baby Memorial Hospital’s NAVA Cancer Institute
For patients in Kozhikode and across the Malabar region, managing cancer treatment often involves coordinating multiple specialists, investigations, and procedures. The NAVA Cancer Institute at Baby Memorial Hospital brings the entire cancer care pathway together, allowing patients to access diagnosis, treatment, and follow-up support within one connected system.
Launched in February 2026 in collaboration with American Oncology Institute, the institute offers a comprehensive range of oncology services, including medical oncology, surgical oncology, radiation oncology, nuclear medicine, paediatric oncology, and haemato-oncology with bone marrow transplant support.
A multidisciplinary tumour board approach enables specialists to collectively review each case and develop personalised treatment plans from diagnosis through survivorship.
Key highlights of NAVA Cancer Institute include:
1. Comprehensive oncology services under one roof: Patients can access multiple cancer specialties, advanced diagnostics, treatment planning, and supportive care without the need to visit multiple centres.
2. Advanced cancer treatment technology: The institute is equipped with modern systems such as:
- TrueBeam image-guided radiation therapy for accurate and targeted radiation treatment
- Da Vinci X robotic surgical system for advanced minimally invasive cancer procedures
- Discovery IQ PET-CT scanner for detailed imaging and treatment planning
- GammaMedplus iX brachytherapy for precise internal radiation therapy
3. Multidisciplinary cancer management: Oncologists, surgeons, radiation specialists, radiologists, and other experts collaborate through tumour board discussions to ensure every patient receives a coordinated and evidence-based treatment approach.
4. Support for complex cancer cases: With healthcare experience in the Malabar region since 1987, Baby Memorial Hospital provides integrated care for patients who may also require management of other medical conditions during treatment.
5. Patient-friendly support services: Dedicated coordinators assist patients travelling from different regions or countries with scheduling, communication, and care coordination in Malayalam, English, and Arabic.
6. Accessible advanced cancer care: The institute aims to provide international-standard oncology treatment in Kerala while offering a more practical cost advantage compared with similar treatment options in countries such as the UK, US, and Singapore.
With advanced infrastructure, specialist teams, and a coordinated approach to treatment, NAVA Cancer Institute supports patients through every stage of their cancer care journey.
Have questions about your specific diagnosis or want help planning your visit? Chat with our medical assistant today!
Medical Disclaimer: The information provided in this article is intended for educational and informational purposes only. It does not constitute medical advice, diagnosis, or treatment. Every patient's situation is unique. Please consult a qualified oncologist or healthcare professional for personalised guidance regarding your specific diagnosis and treatment options. Baby Memorial Hospital and NAVA Cancer Institute are not responsible for decisions made based solely on this content.