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stage IIA non-small cell lung cancer

(... sel lung KAN-ser)
Stage II non-small cell lung cancer is divided into stages IIA and IIB. In stage IIA, the tumor is larger than 4 centimeters but not larger than 5 centimeters. Cancer has not spread to the lymph nodes and one or more of the following may be found: (1) cancer has spread to the main bronchus, but has not spread to the carina; and/or (2) cancer has spread to the innermost layer of the membrane that covers the lung; and/or (3) part of the lung or the whole lung has collapsed or has developed pneumonitis.
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Stage IIA lung cancer; drawing shows a primary tumor (larger than 4 cm but not larger than 5 cm) in the left lung and cancer in (a) the left main bronchus and (b) the inner membrane covering the lung (inset). Also shown is (c) part or all of the lung has collapsed or has pneumonitis (inflammation). The carina, pleura, and a rib (inset) are also shown.Enlarge this image in new window
Stage IIA lung cancer. The tumor is larger than 4 centimeters but not larger than 5 centimeters. Cancer has not spread to the lymph nodes and one or more of the following may be found: (a) cancer has spread to the main bronchus, but has not spread to the carina; and/or (b) cancer has spread to the inner membrane that covers the lung; and/or (c) part of the lung or the whole lung has collapsed or has pneumonitis (inflammation of the lung).
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