Ключевые слова: adenocarcinoma, anatomy, appendix, biopsy, bowel, cancer, carcinoma, cell, cilia, colon, columnar epithelium, cross section, disease, duodenum, epithelial cells, gastric tract, gut, health, histological, histology, human body, illness, intestines, invasion, kidney, kidney cancer, large intestine, liver, lymphoid follicle, medical, medicine, metastasis, microscope, microscopic, microscopic cells, microscopy, mucosa, nephrectomy, oncologist, oncology, pancreas, pathology, photomicrograph, pleomorphism, prostate, radiation, science, slide, tissue, tumor,