cancer

Lung cancer

Lung cancer, also called lung , is a tumor that originates in the of the lungs. Lung cancer is caused by damage to the DNA of cells in the , often caused by cigarette smoking or inhaling damaging chemicals. Damaged cells gain the ability to multiply unchecked, causing the growth of a tumor. Without treatment, spread throughout the lung, damaging lung function. Eventually lung tumors , spreading to other parts of the body.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

·Coughing (including coughing up blood), shortness of breath, chest pain

Causes — why it happens

·air pollution
·asbestos
·radon
·other environmental mutagens

How it's found

·Medical ,

Prevention

·Avoid smoking and other environmental mutagens

Treatment

·, , , molecular therapies, checkpoint

Outlook

·Five-year survival rate: 10 to 20% (most countries)

More in Lungs

Asthma COPD Pneumonia Tuberculosis Pulmonary fibrosis Sleep apnea Cystic fibrosis Bronchitis Influenza Pulmonary embolism Silicosis Pneumothorax

See all of Lungs →

Plain-language summary adapted from Wikipedia. Not medical advice.