Comedian Kathy Griffin announced Monday she's undergoing surgery for lung cancer, but that doctors "are very optimistic" she can make a full recovery and even avoid chemotherapy.

The "My Life on the D-List" funny woman said half of her left lung will be removed on Monday.

"Yes, I have lung cancer even though I've never smoked!" she tweeted.

"The doctors are very optimistic as it is stage one and contained to my left lung.