type of lung cancer and stage distribution

1. Stages of Lung Cancer Small Cell  
Doctors divide lung cancer small cell into 2 stages:
     Limited stage: Cancer is found only on one side of the lung and its immediate network.
     Extensive stage: Cancer is found in breast tissue outside the lungs where the initial point spread. Or cancer is found in a fairly distant organs.

2. Stages of Lung Cancer Non-Small Cell
 
     Occult stage: Lung cancer cells are found in sputum or water samples obtained from bronchoscopy, but the tumor itself can not be seen in the lungs.
     Stage 0: Cancer cells are found only in the innermost lining of the lungs. The tumor has not grown through this lining. Tumor stage 0 is also called carcinoma in situ. Tumors that there is not an invasive cancer.
     Stage I: Cancer cells are confined to the area of ​​the lungs only. Tissue surrounding the lungs remained normal.
     Stage II: The cancer has spread to the lymph nodes, chest wall, diaphragm, lung lining, or outer layer that surrounds the heart.
     Stage III: The cancer has spread to lymph nodes in the chest area between the heart and lungs. Blood vessels in this area may also be infected. Possible cancer had also spread to the lower part of the neck.
     Stage IV: The cancer has spread to the lungs or other parts of the body and can not be removed surgically.