KRT7 and colorectal carcinoma: Ilieva Ilieva N N Tashkova Tashkova D D Staykov Staykov D D Immunohistochemical expression of CK20, CK7, and CDX2 in colorectal carcinoma in correlation with pathomorphological characteristics Immunohistochemical expression of CK20, CK7, and CDX2 in colorectal carcinoma in correlation with pathomorphological characteristics Folia Med Folia Med 2022 2022 64 64 214 214 220 220 10.3897/folmed.64.e60950 10.3897/folmed.64.e60950