Doctor Lawrence Berg (left), faculty, observes while a staff ENT physician practices KTP laser sinus surgery on a cadaver specimen. Doctor Berg is in private practice in Elgin Illinois.

Sheila Jeffrey RN, standing by KTP/YAG/DYE laser, operates the laser while Gastroenterology Physicians practice clearing esophageal obstructions with the Yag laser. Sheila is the OR Nurse Manager at Foote Hospital.

Doctor Michael Kochman from the University of Pennsylvania Medical Center, department of Gastroenterology,  observes the monitor while the GI physicians practice YAG laser endoscopy on extirpated pig esophagus / stomach. Doctor Kochman is second from left.