Baltimore Orioles star Trey Mancini underwent surgery Thursday to remove a cancerous tumor from his colon ... and team officials say the procedure was successful.
The 27-year-old left the team last weekend to deal with an undisclosed medical issue ... and in a statement, the Orioles explained doctors discovered the outfielder had a tumor during a colonoscopy.
The team added there is currently no timetable for a return to the diamond for Trey.
Mancini released a statement after the operation, saying, "The outpouring of love and support I have received has made an extremely tough week so much better.