Endoscopy and biopsy of the colon.
D001706:Biopsy; D002214:Capsules; D003108:Colonic Diseases / Q000175:diagnosis*; D003127:Colposcopy; D004724:Endoscopy; D006801:Humans; D007441:Intubation, Gastrointestinal; D008722:Methods; D013690:Television
D002214:Capsules