Juan Pedro Franco, a 32-year-old Mexican used to weigh 595 kilos, more than half a ton. He has been bed-ridden for last six years struggling to lose weight and prepare him for a gastric bypass surgery. He has been successful and shed about 170 kilos because of a treatment and set for the operation on May 9, Xinuah news agency reported. He was once the 'world's heaviest man' but not anymore. Franco, a native of Aguascalientes in Mexico was supposed to shed about 175 kilos for the surgery, IANS reported. \u201cHe has lost nearly 30% of his initial weight, so he is ready to undergo (the) bariatric surgery,\u201d his doctor, Jose Antonio Castaneda Cruz, told the media. Also Watch: But that was the first stage of the surgery, the second stage of the surgery will allow Franco to walk again. Franco first made headlines in November when he came to the clinic in a specially-adapted van to the western city of Guadalajara, Jalisco. Franco was gripped with obesity related conditions, diabetes, which made it seem like the operation would be impossible. Franco has been determined to get better. He contacted the clinic after he saw their advertisement online even when he couldn't move because of his massive weight. He was talking to his doctor Antonio Castaned during a press conference in Guadalajara, Mexico on March 28, 2017, reported AFP. The doctor said that, despite his weight loss, it cannot be guaranteed that complications will not appear. But he is optimistic, and said they were \u201con the right path\u201d. The intitial surgery was supposed to take down 50 per cent of the weight but a second operation will be needed, said Castaneda. Franco is also not hopeless, he said during the PC that there are several people like him who are trapped within their homes because of their massive weight. \u201cSome have passed away perhaps from sadness, or because they don\u2019t dare (to) ask for help,\u201d he said. He urged people suffering from obesity to raise their voice, \u201cask for help since it is possible,\u201d he said.