Proctosigmoidoscopy, rigid; with removal of single tumor, polyp, or other lesion by snare technique
proctosigmoidoscopy, rigid; with removal of single tumor, polyp, or other lesion by snare technique
Proctosigmoidoscopy, rigid; with removal of single tumor, polyp, or other lesion by snare technique
proctosigmoidoscopy, rigid; with removal of single tumor, polyp, or other lesion by snare technique