Transcript for 'Friends' star Matthew Perry returns from the hospital after 3-month stay

At a health struggle for Matthew Perry the friends are just some of the 23 months in the hospital bed check. As he recovers from serious surgery in our chief medical correspondent an ashen his talk by gen. Apparently recovering from a gastrointestinal. Perforation regular and explain what that is why it's is here this is a really big deal George the medical term is actually perforated biscuits and refers to a hole in anywhere in the GI tract could be stomach small intestine large intestine and to be clear. This is a surgical emergency there is the chance of widespread infection. And it absolutely can be life threatening we have to remember what's in there on digested food loaded with bacteria and air. When that's spread throughout our parts Neil cavity people can be very lean months and no it varies George and in general the higher up that hole in the GI tract the better people do if it's promptly recognized and treated surgically either with the laparoscopic small incision or big incision. People can do well but depending on individual patient factors. Yes the recovery can be a long time and everyone recovers on their own speed and then timetable that he'll be okay. Probably probably will be pretty pretty good idea I mean if it's due to cancer obviously there are other situations that most likely. Hell I have a smooth recovery we hope. Do much.

This transcript has been automatically generated and may not be 100% accurate.