TAMPA BAY – Tampa Bay Lightning forward Steven Stamkos underwent successful surgery this afternoon to treat a type of Vascular Thoracic Outlet Syndrome (called Effort Thrombosis) which was located near his right collarbone, vice president and general manager Steve Yzerman announced today. The two-hour procedure was performed at Tampa General Hospital by Dr. Karl Illig, Director of Vascular Surgery at the University of South Florida. Stamkos is expected to fully recover and he should be able to return to the ice in 1-3 months.