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In summary, we feel the results of this study support an aggressive approach toward the diagnostic evaluation and operative management of patients with renovascular hypertension secondary to complete occlusion of the renal artery. Further, the frequent presence of contralateral disease and the progressive nature of renal artery occlusions represent a significant threat to renal function. Since renal function is frequently compromised but potentially retrievable by revascularization, nephrectomy should be employed only when hypertension is difficult to control, revascularization is impossible, and excretory function in the affected kidney is minimal.

Pelvic lymphoceles following renal transplantation occurred in five of 70 recipients and were treated by intraperitoneal marsupialization. There were no complications other than one recurrence, which was successfully managed by a second marsupialization procedure. Intraperitoneal marsupialization avoids the prolonged wound drainage of external drainage methods, and appears to be the treatment of choice for large pelvic lymphoceles.

These experiments serve to deny the theory that abnormal liver function in the remaining liver tissue after 60-70 per cent hepatic resection might result in gastric acid hypersecretion as a result of a "physiologic shunting" of histamine or other gastric secretagogues.