Gov. Robert Casey's condition was upgraded from serious to fair Sunday, six days after a heart-liver transplant to treat a genetic disease.
He was moved from intensive care to a cardiac unit at the University of Pittsburgh Medical Center, hospital spokeswoman Jane Duffield said.
Doctors said the Pennsylvania Democrat was reportedly in good spirits, sitting in a chair and chatting with relatives.
Doctors said the replacement heart and liver were functioning well, and there was no sign of rejection.
The double transplant was performed June 14 to treat amyloidosis, a rare genetic disease that caused Casey's original liver to produce an abnormal protein that damaged and weakened his heart.