# Can Lung Cancer Be Treated, How to Spot Early Signs As Explained by Specialist Doctor

> Lung cancer is often surrounded by myths regarding its treatment and severity. Max Healthcare doctor Sriniketan Mohan Raghavan breaks down the causes, early detection challenges, and recovery stages of this disease.

**Type:** article · **Category:** Health · **Published:** 2026-09-25 · **Source:** TrendKia
**Canonical:** https://trendkia.com/en/health/can-lung-cancer-be-treated-how-to-spot-early-signs-as-explained-by-specialist-doctor-38631 · **Language:** English
**Tags:** Lung Cancer, Health, Max Healthcare, Dr Sriniketan Mohan Raghavan, Cancer Symptoms, Cancer Treatment

Character actor Mushtaq Khan has passed away at the young age of 56, with reports indicating that he was suffering from lung cancer. A common misconception persists among people that lung cancer is untreatable and cannot be cured. However, modern medical science has advanced significantly, making advanced cancer treatments widely available. To understand whether lung cancer is truly the most dangerous condition and how it can be treated or prevented, Dr. Sriniketan Mohan Raghavan, Principal Consultant in the Department of Surgical Oncology at Max Healthcare, shared detailed insights.

## Primary Causes of Lung Cancer
Dr. Sriniketan Raghavan explains that the single largest cause of lung cancer is tobacco or tobacco-derived products. The vast majority of lung cancer cases are directly linked to tobacco usage. However, this does not imply that individuals who never consume tobacco in any form are completely immune to the disease. Several other risk factors can also trigger lung cancer, including severe environmental pollution, carcinogenic chemicals, asbestos, radon gas, and residual marks from previous conditions like tuberculosis. Familial history and close relatives having the condition can also play a role, though pinpointing the exact cause in every individual remains challenging.

## Is Lung Cancer the Most Dangerous
From a medical perspective, doctors avoid labeling any specific type of cancer as inherently more or less dangerous than others. The severity of a cancer case depends entirely on where the cancer cells have traveled from the affected organ and whether they are damaging neighboring tissues. The spread of these cells determines the official stage of the cancer. For instance, if a patient has lung cancer and the cells migrate directly to the brain, forming even a hair-sized tumor, it is classified as stage four. Similarly, if the cancer cells spread from the lungs to all the bones in the body, it is still categorized as stage four. Therefore, classifying a cancer as exceptionally dangerous based solely on its name is medically incorrect.

## Stages Where Treatment is Possible
Dr. Sriniketan Raghavan notes that if lung cancer is detected in its early stages, managing and treating it becomes much simpler. During this phase, the cancer cells remain confined to a small area within the lungs and do not spread further. Doctors can surgically remove the affected tissue or nodule. Afterward, chemotherapy or radiation is administered to prevent the cancer from returning. However, a hundred percent guarantee of a permanent cure does not exist at any stage. The human body contains a vast network of lymph nodes and vessels filled with fluids that form part of the immune system. When cancer cells reach these lymph nodes, achieving a complete cure becomes somewhat challenging, though treatable. A combination of chemotherapy, radiation therapy, and immunotherapy can significantly shrink or control the tumor, allowing many patients to live healthy lives for extended periods. When the cancer spreads beyond the lungs into the bones, glands, brain, or liver, achieving a full recovery is generally difficult. In such advanced stages, the primary medical goal shifts toward reducing the patient's discomfort and extending their life.

## Can Cancer Be Cured Completely
No medical professional can guarantee a hundred percent cure for any form of cancer. Dr. Sriniketan Raghavan points out that cancer carries the highest likelihood of recurrence among major illnesses. Consequently, no case can be definitively labeled as completely cured forever. Generally, if the cancer is detected in its earliest phase and treated successfully, the chances of it returning are relatively low. The further the cancer has spread, the higher the risk of recurrence. For patients undergoing cancer treatment, the first two years are considered the most critical. Doctors conduct routine check-ups every three months to monitor for any new cancer growth, followed by check-ups every six months. If the cancer does not return for a continuous period of five years, medical experts consider the patient successfully treated. After five years, the probability of the cancer coming back drops to nearly zero, and patients are usually called in for annual evaluations.

## Identifying Lung Cancer in Early Stages
Dr. Sriniketan explains that detecting lung cancer during its initial stages is extremely difficult, though certain subtle signs can offer clues. Symptoms may include a mild cough or occasional bleeding while coughing, which often goes unnoticed as trivial. As the cancer progresses and spreads further, symptoms become persistent, including continuous coughing, blood in the sputum, and severe breathlessness. Patients may experience shortness of breath while climbing stairs or performing strenuous physical tasks. If the cancer spreads even further, it can trigger bone pain, severe headaches, and other complications in affected individuals.

## What this means for you
This medical information regarding lung cancer provides essential guidance for ordinary readers to stay alert about health warning signs and treatment realities.

- **Across India:** Tobacco consumption and rising environmental pollution remain major risk factors across the country, prompting the need for lifestyle vigilance.
- **Routine Follow-ups:** The first two years after treatment are critical, requiring medical check-ups every three to six months to monitor for recurrence.
- **Early Signs:** Minor symptoms like persistent coughing or breathlessness should never be ignored as they may indicate underlying issues.
- **The Five-Year Milestone:** If cancer does not return within five years post-treatment, medical professionals consider the patient successfully recovered.

## Why this happened
Several medical and environmental factors contribute to the onset and progression of lung cancer, explaining the underlying mechanisms of the disease.

- **Tobacco Exposure:** Harmful substances present in tobacco and related products damage lung tissue, serving as the leading trigger for the condition.
- **Environmental Factors:** Severe pollution, asbestos, and radon gas expose individuals to carcinogenic elements that increase tissue vulnerability.
- **Cellular Migration:** Cancer cells travel through the lymphatic system and blood vessels to reach distant organs, complicating the progression of the disease.

## Questions & Answers

### 1. What is the primary cause of lung cancer?
The single largest cause of lung cancer is tobacco or tobacco-derived products.

### 2. Is lung cancer treatable?
Yes, if detected in early stages, it can be treated through surgery, chemotherapy, and radiation therapy.

### 3. How long is the critical observation period after treatment?
The first two years following treatment are considered the most critical, requiring regular medical check-ups.

### 4. Which hospital is Dr. Sriniketan Mohan Raghavan associated with?
Dr. Sriniketan Mohan Raghavan is a principal consultant in the surgical oncology department at Max Healthcare.

### 5. What is the timeframe to consider cancer successfully treated?
If the cancer does not return for a period of five years, medical experts consider the patient free of the disease.

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