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Lung Cancer
Cancer that begins in the lungs. It is the leading cause of cancer death worldwide.
What is Lung Cancer?
It forms in the tissues of the lungs, usually in the cells lining the air passages. The two main types are small cell lung cancer and non-small cell lung cancer. Smoking is the main risk factor.

Common Symptoms
- A persistent cough that doesn't go away or gets worse.
- Coughing up blood or rust-colored sputum.
- Chest pain that worsens with deep breathing or coughing.
- Persistent hoarseness.
- Unexplained weight loss and loss of appetite.
- Shortness of breath or wheezing.
Treatment Options
Options vary dramatically based on cell type, cancer stage, and overall patient health.
Targeted Therapy & Immunotherapy
Modern treatments that attack specific abnormalities or boost the immune system.
Surgery & Radiation
To remove the tumor (if localized) or shrink it with high-powered energy beams.
Sources and medical information
Prepared by Tutti Cancer Warriors
Sources checked: 28 July 2026
This page provides general educational information. It does not replace medical advice, diagnosis or treatment from a qualified healthcare professional. Lung symptoms can have many causes; contact a healthcare professional about a persistent or worsening cough, coughing up blood, shortness of breath, chest pain or unexplained weight loss.
Official sources
- World Health Organization — Cancer fact sheet and 2024 global estimates
- World Health Organization — Lung cancer fact sheet
- National Cancer Institute — Lung Cancer: Patient Version
- National Cancer Institute — Non-Small Cell Lung Cancer Treatment
- National Cancer Institute — Small Cell Lung Cancer Treatment
Key Stats
2.6MNew cases globally in 2024 (WHO estimate)
1.86MDeaths globally in 2024 (WHO estimate)
