Lung Cancer happens when normal cells of lung become abnormal and multiply very rapidly and abnormally. There are various types based on structure and response to treatment. Its one of the most common cancer and also leading cause of cancer related mortality worldwide.
lung cancer
  • Cough
  • Hoarse voice
  • Spitting or coughing up blood
  • Headache and swelling of the face, arms, or neck
  • Chest pain that can be dull, sharp, or stabbing

Yes. Your doctor after examining you may advice Chest X-ray. If the chest X-ray is suspicious of lung cancer, he or she will probably follow up with other tests. These can include:

  • Blood tests
  • CT or PET scan
  • Biopsy – May be by bronchoscopy or CT scan guided.

lung cancer
Cancer staging is a way to find out how much the disease has spread in the body. Based on cancer stage and performance status of patient, line of treatment would be considered.
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  • Surgery - Lung cancer in early stages can be treated with surgery
  • Radiation therapy – Radiation kills cancer cells.
  • Chemotherapy – Medicines that kills cancer cells or stop them from growing.
  • Targeted therapy – Some medicines work only for cancers that have certain characteristics. Your doctor might advise tests like EGFR, ALK, ROS-1 etc to see if you have a kind of lung cancer that would respond to these medicines.
  • Immunotherapy – Drugs that work with the body's infection-fighting system (the "immune system") to stop cancer growth.

Palliative care – Advanced stage of cancer where definitive treatment is not possible, aim is to reduce patient’s suffering by relieving pain, breathlessness, cough by giving pain killers, draining chest fluid followed by pleurodesis, giving oxygen supplement.
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After certain numbers of chemotherapy cycles or after certain time interval your doctor may advice to do tests like liquid biopsy or PET CT scan to see whether disease has worsened or not.

It can come at same site or it may appear at different site like liver, adrenal gland, bones or brain also. You may require treatment again with some of the above-mentioned line of treatment.

lung cancer
Maybe. The best way to avoid getting lung cancer is to not smoke. Smoking increased chances of lung cancer significantly.
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