Crozer-Keystone Health System offers free weight-loss surgery seminars at Crozer-Chester Medical Center, Crozer Medical Plaza at Brinton Lake, Delaware County Memorial Hospital and various other locations. These two-hour seminars provide you with an overview of weight-loss surgery, who is appropriate for the surgery, how our program works, what procedures are performed at Crozer-Chester Medical Center and what processes are involved when considering weight loss surgery.