Gastric Carcinoma. Background. Second most common cancer-related death. Korea, Japan, China, Taiwan high rates. 22,000 diagnosed annually in US. 14 th most common cancer. Difficult to cure, as advanced disease. Most die of recurrent disease even after resection for cure. Anatomy.
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Tx- cannot be assessed
T0- no evidence
Tis- carcinoma in situ, no invasion of lamina
T1- invades lamina propria or submucosa
T2- invades muscularis or subserosa
T3- penetrates serosa, no adjacent structure
T4- invades adjacent structures
NX- cannot be assessed
N0- no nodes
N1- mets in 1-6 regional nodes
N2- mets in 7-15 regional nodes
N3- mets in more than 15 regional nodes