Robin Gibb Report: Diagnosed with Liver Cancer

11/20/2011 6:30 AM PST

Robin Gibb, legendary singer/songwriter of the Bee Gees, has been diagnosed with liver cancer ... this according to several UK reports. 

Gibb was reportedly diagnosed a few months back and rushed to the hospital earlier this week. He was hospitalized back in October for what was he thought was simply stomach pains.  

Andy Gibb died in 1988.  Maurice passed in 2003.

A rep for Gibb could not be reached for comment.