Non-Small Cell Lung Cancer: Symptoms and Causes

Are you waking up each day with a cough that just won’t go away or feeling breathless after climbing just a few stairs? You might think its happening due to cold, pollution, or old age. But sometimes, these everyday signs can be something more serious.

Non-small cell lung cancer (NSCLC) is the most common type of lung cancer, and understanding its symptoms and causes could help you or someone you love catch it early.

What is Non-Small Cell Lung Cancer?

NSCLC accounts for nearly 85% of all lung cancer cases. It tends to grow and spread more slowly than small cell lung cancer, which makes early detection especially important.

This cancer usually starts in the cells that line your lungs. There are different subtypes of NSCLC, but they generally behave in similar ways when it comes to symptoms and treatment.


Common Symptoms

One of the things about NSCLC is that it may not show clear symptoms early on. But as it grows, you may notice:


  • A cough that lingers or worsens

  • Chest pain that gets worse when you breathe deeply or cough

  • Hoarseness or changes in your voice

  • Shortness of breath

  • Coughing up blood

  • Frequent lung infections like bronchitis or pneumonia

  • Unexplained weight loss and fatigue


If these symptoms last more than a few weeks or keep returning, don’t ignore them. It’s always better to be safe and get them checked.


What Causes NSCLC?

Several risk factors increase the chances of developing this cancer:

  • Smoking – The biggest risk factor, including exposure to second-hand smoke

  • Air pollution – Long-term exposure can affect lung health

  • Family history – Genetics can play a role

  • Exposure to substances like asbestos, arsenic, or diesel fumes

  • Previous radiation therapy to the chest

Understanding your risks helps you take proactive steps for your health. If you’re concerned, a cancer doctor in Kolkata can guide you through tests and screening.

Don’t Wait for Symptoms to Get Worse

Lung cancer can start silently. However, early diagnosis means more treatment options and better outcomes.

If you have noticed changes in your breathing patterns that don’t feel normal, don’t delay.

Book an appointment with Dr. Mukti Mukherjee, a reputed cancer doctor in Kolkata, to get expert advice.

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