Ronald Chamberlain, MD, MPA, FACS, chairman and surgeon-in-chief in the department of surgery at Saint Barnabas Medical Center, will discuss "Biomedical Advances and Surgery:  Pushing the Envelope in the New Millennium How Minimal and Can Minimally Invasive Surgery Become?" on Sept. 23, 10-11:30 a.m. in the Central King Building, Rm. 204.