hello i had my surgey in nashville at Centennial hospital with Dr David Dyer He is on the ASBS board and the hospital is on the center of excellence I had no gas no real pain no nausea post up andI was also treated very well at hospital also had gall bladder surgery there in August same surgeon and same results dr David Dyer has own website also and is also listed on ObesityHelp.com... office #615-342-5830... 2200 murphy ave nashville tn37203