Brush cytology for colorectal cancer.
D002277:Carcinoma / Q000473:pathology*; D002908:Chronic Disease; D003093:Colitis, Ulcerative / Q000175:diagnosis; D015179:Colorectal Neoplasms / Q000473:pathology*; D003584:Cytological Techniques; D005069:Evaluation Studies as Topic; D006801:Humans