PATRICK SWAYZE is battling cancer, ET has confirmed.

In a statement obtained by ET his rep says: "Actor Patrick Swayze has been diagnosed with pancreatic cancer and is currently undergoing treatment. Patrick's physician Dr. GEORGE FISHER states, 'Patrick has a very limited amount of disease and he appears to be responding well to treatment thus far. All of the reports stating the timeframe of his prognosis and his physical side effects are absolutely untrue. We are considerably more optimistic.' Patrick is continuing his normal schedule during this time, which includes working on upcoming projects. The outpouring of support and concern he has already received from the public is deeply appreciated by Patrick and his family."

The 55-year-old is known for starring in such notable films as 'Dirty Dancing' and 'Ghost.'