Lung Cancer: Type, Stage, Causes

Lung Cancer is a type of cancer occur in the lungs of a person.we use our lungs for breathing, exhaling and inhaling air. lung cancer is the leading cause of cancer death including men and women.

It is the condition in which cells in the lungs start dividing uncontrollably, which cause the growth of tumors, reducing the men’s capacity to breathe. some report says that in 2015 218527 people in the united state received the lung diagnosis.

Typically there are two types of Lung cancer:-

  1. small cell lung cancer
  2. 2.non-small cell lung cancer

Non-small cell is more common in peoples


Stage1:- cancer is only inside the lungs, it hasn’t yet spread outside

Stage2:- lungs and nearby lymph nodes are affected by the cancer

Stage 3:- cancer would affect the lungs, lymph nodes and the middle of the chest

Stage 3A:- cancer in the lymph nodes is only on the same side of the chest where the cancer is first developed

Stage 3B:- cancer spread on the booth side of the chest and above the collar bone

Stage4:- cancer is spread to both sided lungs and to the distant organs

Early symptoms of lung cancer

  • Cough of phlegm and blood
  • chest pain
  • hoarseness
  • difficulty in breathing
  • wheezing
  • weakness and fatigue
  • loss of appetite and loss in the weight

Later symptoms of the lung cancer

  • weakness in the muscle
  • nausea
  • vomiting
  • rise in sugar level
  • high blood pressure
  • fluid retention
  • confusion
  • seizures
  • coma

Causes of lung cancer

  • Smoking
  • petroleum products
  • inhaling of arsenic
  • exposure to cadmium
  • exposure to chromium
  • exposure to nickel
  • exposure to uranium

Risk factors

  • Smoking
  • breathing in the smoke of the second one
  • Exposure to Radon
  • exposure to the toxic substances
  • Family history of lung cancer
  • radiation therapy to the chest

Comment your suggestion below

Review Date
Reviewed Item
Lung cancer
Author Rating