Stage IIIA non-small cell lung cancer

Stage IIIA non-small cell lung cancer
Term	Stage IIIA non-small cell lung cancer
Short definition	Stage IIIA non-small cell lung cancer - Stage III non-small cell lung cancer is divided into stages IIIA, IIIB and IIIC. In stage IIIA, the tumor is 5 centimeters or smaller and the cancer has spread to lymph nodes on the same side of the breast as the primary tumor.
Type	Cancer terms
Specialty	Oncology
Language	English
Source	NCI
Comments

Stage IIIA non-small cell lung cancer - Stage III non-small cell lung cancer is divided into stages IIIA, IIIB and IIIC. In stage IIIA, the tumor is 5 centimeters or smaller and the cancer has spread to lymph nodes on the same side of the breast as the primary tumor. The lymph nodes with cancer are located around the trachea or aorta, or where the trachea divides into the bronchi. In addition, one or more of the following causes may be found: (1) cancer has spread to the main bronchus but not to the carina; and/or (2) cancer has spread to the innermost layer of the membrane covering the lungs; and/or (3) part or all of the lung has collapsed or has developed pneumonitis; OR Cancer has spread to lymph nodes on the same side of the breast as the primary tumor. The lymph nodes with cancer are in the lungs or near the bronchus. In addition, one or more of the following findings are found: (1) the tumor is larger than 5 centimeters but not larger than 7 centimeters; and/or (2) there is one or more separate tumors in the same lung lobe as the primary tumor; and/or (3) cancer has spread to any of the following: the membrane lining the inside of the chest wall, the chest wall, the nerve that controls the diaphragm, or the outer layer of tissue of the sac around the heart; OR cancer may have spread to lymph nodes on the same side of the breast as the primary tumor. The lymph nodes with cancer are in the lungs or near the bronchus. In addition, one or more of the following findings are found: (1) the tumor is larger than 7 centimeters; and/or (2) there is one or more separate tumors in a different lobe of the lung with the primary tumor; and/or (3) the tumor is of any size and the cancer has spread to any of the following: trachea, carina, esophagus, sternum or spine, diaphragm, heart, major blood vessels leading to or from the heart (aorta or vena cava) or the nerve that controls the larynx (voice box)

External links

• Medical encyclopedia article on Stage IIIA non-small cell lung cancer
• Wikipedia's article - Stage IIIA non-small cell lung cancer

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