03/18/2010 05:12 am ET | Updated May 25, 2011

Carolina Sifuentes Sheds 250 Pounds After Doctors Remove Tumor

A Denver woman who had a massive tumor removed from her body is vowing to work at staying healthy after living through years of embarrassment.

Carolina Sifuentes, 19, weighed more than 550 pounds and her stomach was enormous when she first went to a gym to try to do something about her body.

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