CK18 was expressed in standard epithelial cells of most organs but absent in regular squamous epithelium. at the very least an occasional weak CK18 positivity was found in 90 of 115 (78.3%) tumor types. Wide-unfold CK18 https://liliankvvm283875.look4blog.com/68630216/the-smart-trick-of-ck8-that-no-one-is-discussing