The man, Kevin Daly, realized something was wrong when he lost more than 30 lbs. in 2015, but his belly fat didn't budge, the New York Daily News reported earlier this month. A CT scan revealed that the man's belly bulge was in fact a rare type of tumor called a liposarcoma, according to Fox News. ... Liposarcomas most often develop in fat tissue found in the thigh, behind the knee or in the abdomen, GARD says. (Indeed, Daly's tumor arose from fat tissue in his abdomen.) The tumors are rare; according to the American Cancer Society (ACS), about 13,000...