SUPPLEMENT SUPPLEMENTAL TABLE 1. Clavien Complication Grading System20 Grade Criteria Examples I Any deviation from normal postoperative course without need for pharmacologic treatment except use of anti-emetics, analgesics, diuretics Wound infection opened at bedside or in clinic Nonoperative management of bowel obstruction Transient elevation of serum creatinine II Requires pharmacologic treatment other than exceptions listed for grade I Total parental nutrition Systemic anticoagulation Antibiotic treatment III Requires surgical, endoscopic, or radiologic intervention Return to OR for any intervention Percutaneous drainage of seroma or abscess IV Considered serious or life-threatening complication requiring management in intensive care setting or single or multiple organ dysfunction Death due to a complication Admission to intensive care unit Re-intubation Sepsis/multi-system organ failure V 1 SUPPLEMENTAL TABLE 2. List of complications and management for 46 patients treated with total gross resection and 125I mesh BRT implantation. Complication (grade) n Seroma No intervention (I) 2 Drainage in clinic (I) 1 Percutaneous drainage (III) 2 Deep vein thrombosis/Pulmonary embolus Systemic anticoagulation (II) 5 Abscess No intervention (II) 1 Operative intervention (III) 2 Percutaneous drainage (III) 1 Ileus/bowel obstruction No intervention (I) 2 Operative intervention (III) 2 Ascites No intervention (I) 1 Percutaneous drainage (III) 2 Hematoma No intervention (II) 1 Operative intervention (III) 1 Enterocutaneous fistula Total parental nutrition (II) 1 Operative intervention (III) 1 Wound infection Antibiotic treatment (II) 1 Limb amputation (IV) 1 Pancreatic leak Percutaneous drainage (III) 1 Axillary artery pseudoaneurysm Endovascular stenting (III) 1 Pleural effusion No intervention (I) 1