My gf's dad was diagnosed with Kidney Cancer over 2 years ago. He was on short term disability because he had surgery to remove one of his kidneys. but then went back to work. He then found out the cancer spreaded to his pancreas and had to have whipple surgery in order to remove the infected part of his pancreas and has been on Long term disability since July of 2007. He recently got a phone call from his employer stating that they were doing away with his position and that he had been fired. He lives in Chicago, IL and the company is in Addison, IL My question is are they allowed to do this to him?