D2I2.
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 airways, 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 metastasize, 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

  • ·, , radiotherapy, molecular therapies, checkpoint

Outlook

  • ·Five-year survival rate: 10 to 20% (most countries)
Plain-language summary adapted from Wikipedia. Not medical advice.