blood group antigen content of human carcinomas located in the distal large bowel ( descending colon , sigmoid colon , and rectum ) was determined by the specific red cell adherence reaction and was compared to several morphologic features of prognostic significance , e.g. , differentiation , extent of tumor spread , peritumoral lymphoplasmocytic infiltration , and growth patterns .
C0021851
large
C0034896
rectum