क्या सब कैंसर एक जैसे हैं? | Are all cancers the same? | Dr. Praveen Kammar

Hello friends! I’m Dr Praveen Kammar, and in today’s video, we’re going to answer a very common yet confusing question – “Are all cancers the same?”
Many people think cancer is just one disease, but the reality is quite different. Each type of cancer is a unique disease, which is why diagnosis, treatment, and prognosis vary greatly.

In this video, we’ll explore how the same doctor can give different outcomes for two different patients, why cancer behaves differently in different organs, and how treatment is personalized for each case. I’ll also share some real-life cases to help deepen your understanding.

How Low-Grade Kidney Cancer Showed Good Recovery
When Ramu (name changed) came to me, he had a small mass in his kidney – low grade, stage I. It was detected early through an ultrasound he had done due to unusual back pain. The biopsy report showed that the tumor cells were very slow-dividing.

Challenges in Advanced Stage Rectal Cancer
When Karina (name changed) was diagnosed, her rectal cancer had already reached stage III/IV. She had symptoms like bleeding, weight loss, and persistent abdominal pain. MRI scans showed that the tumor had also spread to lymph nodes.

Cancer Behavior Varies by Organ
Each organ has its own biology – prostate, breast, lung, colon – and the tumor cells behave differently in each. For example, in lung cancer, a heavy smoking history is common, and the mutation spectrum is unique. In breast cancer, the hormone receptor status (ER/PR/HER2) determines whether targeted hormonal therapy will be effective.

Same Cancer Type, Different Patient Responses
Dhanmohan and Saleem both had colon cancer, but one had good performance status and tolerated full-dose chemotherapy, while the other had co-morbidities like diabetes and hypertension and could only manage low-dose treatment. As a result, the first went into remission faster, while the second faced dose reductions and treatment delays.

Why Treatment Needs to Be Individualized
My motto in oncology is: “Treat the patient, not the disease.” Even within the same organ, tumors can have different molecular subtypes – like lung adenocarcinoma vs. squamous cell carcinoma. Each subtype requires different targeted drugs.
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0:00 Introduction
0:25 Real life case: Same Doctor but different results
1:28 A patient who got good result has low grade kidney
1:42 2nd patient who got bad result has Rectal cancer (Advance Stage)
2:25 How different part of body has different behaviour
4:15 Same type of cancer behave differently in different patient
5:01 Treatment of Cancer depends on individual and organs
6:21 Conclusion
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