C18 | 
		  | 
		Malignant neoplasm of colon  | 
	
	
		 |  | 
		
	
		| Excludes1 | 
		malignant carcinoid tumors of the colon (C7A.02-)
  | 
	 
 
 | 
	
 |  | 
	
		 C18.0 | 
		  | 
		Malignant neoplasm of cecum | 
	 
	
		 |  | 
		
| Malignant neoplasm of ileocecal valve |   
 | 
	   | 
 |  | 
	
		 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 | 
	 
	
		 |  | 
		
| Malignant neoplasm of sigmoid (flexure) |  	
		| Excludes1 | 
		malignant neoplasm of rectosigmoid junction (C19)
  | 
	 
 
 | 
	   | 
 |  | 
	
		 C18.8 | 
		 | 
		Malignant neoplasm of overlapping sites of colon | 
	 
  | 
 |  | 
	
		 C18.9 | 
		  | 
		Malignant neoplasm of colon, unspecified | 
	 
	
		 |  | 
		
| Malignant neoplasm of large intestine NOS |   
 | 
	   |