CK18 was expressed in regular epithelial cells of most organs but absent in normal squamous epithelium. not less than an occasional weak CK18 positivity was viewed in ninety of 115 (78.three%) tumor forms. large-spread CK18 positivity was observed in 37 (31.9%) of tumor entities, which include adenocarcinomas from the lung, prostate, colon and panc… Read More