Sir/madam I Meet To An Accident At 6 January That

Sir/madam i meet to an accident at 6 january that was an bike accident by which my liver was got damged there was non damged outside but liver was got scrathed which led to an operation of liver then after 1 month mine acending colon and illium was get oprated i was 6 months in hospital now i am felling. Better but my weight was 72 kg now my weight is 45 kg earlier iwas fattyfatty now i am skinny . So i want to be more muscular and fatty as earlier . So sir please advice me