"Matthew Perry recently underwent surgery in a Los Angeles hospital to repair a gastrointestinal perforation," Perry's reps told People at the time. "He is grateful for the concern and asks for continued privacy as he heels."
According to Healthline, a gastrointestinal perforation "occurs when a hole forms all the way through the stomach, large bowel, or small intestine. It can be due to a number of different diseases, including appendicitis and diverticulitis." Smoking and excessive alcohol put you at a higher risk of GP.
Perry has been open with his substance abuse -- including a previous Vicodin addiction and alcohol -- in the past and has since began using his voice to encourage others get treatment.
"You can't have a drug problem for 30 years and then expect to have it be solved in 28 days," Perry told The Hollywood Reporter back in 2015 in a video for Phoenix House, a treatment center where Perry has received treatment. "At Phoenix House, I was very moved by the hope that I saw there, which is what this is all about. Getting sober is a really hard thing to do."
In response to his tweet, fans reached out to Perry to show their support. "Friends" aficionados utilized this opportunity to bring out their best Chandler Bing gifs to accompany their kind words.