Glossary of Medical Terms

stage II gastric cancer

Stage II is divided into stages IIA and IIB, depending on where the cancer has spread. In stage IIA, cancer (1) has spread to the subserosa (layer of tissue next to the serosa) of the stomach wall; or (2) has spread to the muscle layer of the stomach wall and is found in 1 or 2 lymph nodes near the tumor; or (3) may have spread to the submucosa (layer of tissue next to the mucosa) of the stomach wall and is found in 3 to 6 lymph nodes near the tumor. In stage IIB, cancer (1) has spread to the serosa (outermost layer) of the stomach wall; or (2) has spread to the subserosa (layer of tissue next to the serosa) of the stomach wall and is found in 1 or 2 lymph nodes near the tumor; or (3) has spread to the muscle layer of the stomach wall and is found in 3 to 6 lymph nodes near the tumor; or (4) may have spread to the submucosa (layer of tissue next to the mucosa) of the stomach wall and is found in 7 or more lymph nodes near the tumor.

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