Preferred Label : Stage II Colorectal Cancer AJCC v6;
NCIt synonyms : Stage II Colorectal Carcinoma AJCC v6; Colorectal Cancer, Stage II AJCC v6; Colorectal Carcinoma Stage II AJCC v6; Dukes B Colorectal Carcinoma;
NCIt related terms : Stage II Colorectal (Colon or Rectal) Cancer; Dukes B colorectal cancer; stage II colorectal cancer;
NCIt definition : Stage Group II is subdivided into IIA and IIB on the basis of whether the primary
tumor is T3 or T4, respectively. T3: Tumor invades through the muscularis propria
into the subserosa, or into non-peritonealized pericolic or perirectal tissues. T4:
Tumor directly invades other organs or structures, and/or perforates visceral peritoneum.
(AJCC 6th ed.);
Alternative definition : NCI-GLOSS: Stage II colorectal cancer is divided into stage IIA, stage IIB, and stage
IIC. In stage IIA, cancer has spread through the muscle layer of the colon and/or
rectal wall to the serosa (outermost layer) of the colon and/or rectal wall. In stage
IIB, cancer has spread through the serosa of the colon and/or rectal wall but has
not spread to nearby organs. In stage IIC, cancer has spread through the serosa of
the colon and/or rectal wall to nearby organs.;
Neoplastic status : Malignant;
Codes from synonyms : CDR0000520509; CDR0000045891;