Instrumentation in the diagnosis and the treatment of neoplasms.
D001706:Biopsy / Q000295:instrumentation; D004564:Electrocoagulation / Q000295:instrumentation; D006801:Humans; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000601:surgery*; D012811:Sigmoid Neoplasms / Q000175:diagnosis* / Q000601:surgery*; D020694:Sigmoidoscopes