Kathy Griffin has revealed that she is undergoing surgery for lung cancer and her doctors are optimistic she “should be up and running around as usual in a month or less.”

The comedian took to Instagram and Twitter on Monday to say her cancer was caught early and confined to her left lung. The surgery will result in half her left lung being removed.

“It’s been a helluva four years, trying to get back to work, making you guys laugh and entertaining you, but I’m gonna be just fine,” she wrote. “Please stay up to date on your medical check ups.”

Well-wishers included Jane Lynch and Ashley Nicole Black.