Cell lung cancer stage I non-small. Definition

Medical Definition: Cell lung cancer stage I non-small

Stage I is divided into stages IA and IB. In stage IA, the tumor is in the lung only and is 3 centimeters or less. In stage IB, presents one of the following situations: 1) the tumor is larger than 3 cm, 2) the cancer has spread to the main bronchus of the lung and measured at least 2 centimeters from the carina (where the trachea joins the bronchi), 3) the cancer has spread to the deeper layer of the membrane lining the lungs, or 4) the tumor partly blocks the bronchus or bronchioles and part of the lung has evolved or has pneumonitis (inflammation of the lung).

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