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A cavernosographic indicator for assessing surgery. (A) A preoperative cavernosogram shows the venous system in an early phase. (B) There were more veins apparent in a later phase. (C) The postoperative film showed fewer veins, while the penile crura were readily filled. This provides a comparison with the view in panel A. (D) A late-phase film for comparison with that in panel B. Overall these films provide an objective indication for assessing the efficacy of PVS.
