immunoperoxidase and immunofluorescence staining for carcinoembryonic antigen ( cea ) was performed on paraffin and frozen sections , respectively , of colonic carcinomas ( 70 ) , liver and lymph node metastases ( 20 ) , mesenteric nodes ( 150 ) , mucosa adjacent to carcinoma ( 40 ) , colonic resection margins ( 20 ) , normal colon ( ten ) , and colorectal polyps ( 64 ) in order to assess its potential diagnostic value .
C0699790
colonic
C0009368
colonic