Last year, fans of TLC's hit show My 600-lb Life were introduced to Tracey Matthews, a 44-year-old grandmother from Ohio, who tipped the scale at 605 pounds. The former reality star carried most of the weight in her legs — 400 pounds to be exact — which were swollen with lymphedema and infected with cellulitis. Her husband, Anthony, would have to lift them up so she was able to get out of bed. Tracey and her husband drove 20 hours to seek help from Texas-based doctor, Younan Nowzaradan. “Every day that passes my lymphedema gets worse and worse. I have to try and do this," she said about making the journey. Her husband added, "Tracey really needs this, so we are willing to take this risk, this chance of going way down there and being rejected." However, Tracey's lymphedema posted too much of a risk. She would have to lose more weight. Anthony visits...