Lung Cancer; A Disease That Traps Both Smokers And Non-Smokers

By Mark Jacob

How Do They  Classify It?
Image result for lung cancer stage 4

The most usual NSCLC is classifying with the help of a system called TNM which classifies:

T – tumor size and location

N – the number of nearby lymph nodes that have become involved

M – metastasis, or how far cancer has spread