A man with an eating disorder that compels him to eat metallic objects is treated by a trauma surgeon who was once an undocumented immigrant; a pediatric surgeon discusses a risky procedure to remove a tumor from a 4-year-old girl's heart; ER nurses try to restore a man's heartbeat; an old-school surgeon doesn't pull any punches with his residents, but he backs up his criticisms with his skills in the operating room.

Source: ABC