2. Operative Assessment The following procedures and assessments will be performed on the day of/during the procedure: Weight and BMI American Society of Anesthesiologists (ASA) grade operative time (defined as skin to skin time) anesthesia start and stop time estimated blood loss adverse events surgical technique (eg protocol requires: 40 French bougie, distal gastrectomy starting 5 cm distal to the pylorus, duodeno-intestinal anastomosis performed at approximately 300 cm from the ileocecal valve, hand-sewn anastomosis, and fascia closure for all port sites accommodating trocars greater than 12 mm) surgical conversions to open concomitant procedures performed during the procedure