The child Dikembe Mutombo flew to the U.S. to remove a massive tumor from his face has sadly died after he suffered a "rare and unpredictable genetic reaction to anesthesia" during surgery ... TMZ has learned.
8-year-old Matadi Sela Petit from the Democratic Republic of Congo died Friday night after complications from his delicate surgery at Cedars-Sinai Medical Center in L.A. ... according to The Dikembe Mutombo Foundation.
The foundation says ... "We are devastated by the loss of Matadi and our heart goes out to his father, his mother and the rest of his family, and all his old and new friends.