To eliminate the existing confusion concerning adenomas of the rectum and colon, it is imperative that writers on adenomas should refer to or state the criteria of their microscopic examination, so that the reader will readily know the basis for their diagnosis. The clinician should effect a close liaison with the pathologist and the radiologist and use the same language. It would, of course, be ideal if the pathologists would agree among themselves as to the diagnostic criteria and would adopt a universal classification. Different pathologists frequently render contrary views on the same specimen. Added to these difficulties is the reluctance, even an aversion or taboo, on the part of some clinicians to insist on digital rectal and proctosigmoidoscopic examinations or to train themselves to perform these diagnostic procedures properly. Brennemann1once expressed his belief that digital "rectal examination is an extremely unpleasant experience" and avoided its use. Fortunately,