Malignant neoplasms of digestive organs (C15-C26)
C18: Malignant neoplasm of colon
excludes1
malignant carcinoid tumors of the colon (C7A.02-)
C18.0: Malignant neoplasm of cecum
C18.1: Malignant neoplasm of appendix
C18.2: Malignant neoplasm of ascending colon
C18.3: Malignant neoplasm of hepatic flexure
C18.4: Malignant neoplasm of transverse colon
C18.5: Malignant neoplasm of splenic flexure
C18.6: Malignant neoplasm of descending colon
C18.7: Malignant neoplasm of sigmoid colon
C18.8: Malignant neoplasm of overlapping sites of colon
C18.9: Malignant neoplasm of colon, unspecified
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