How Can Fatty Liver Be Treated?

i have been diagonsed with a fatty liver two months back and have gone on diet of protiens and have started avoiding fats / potatoes / rice and normal bread . i have also lost a few kilos and i need advice if i need to do anything else. a stone has also been diagnosed in the bladder can i wait or i should get the gall bladder removed immediately. my report is belowSonogram examination shows liver is enlarged in size and regular in outlines, fatty in echo pattern and shows no focal defect. Intra-hepatic biliary radicals are not dilated and normal in echo-genicity. Span is 16.5 cms only. Gall bladder is seen, walls are 1.7 mm in thickness, lumen shows echogenic solitary calculus of 19 mm size are seen in the lumen. Common bile duct is 5.0 mm in diameter and is normal. Portal vein is 12.7 mm. Pancreas is normal regular in outlines and normal echopattern. Spleen is normal in outlines and shows normal echotexture of parenchyma. Size of the spleen is about 8.8 x 5.0 cms. Right kidney size is about 10.6 x 4.8 cms and is normal in cortical texture. No dilated calyces are seen. Cortico-medullary differentiation is normal. No calculus is seen. Left kidney size is about 10.5 x 4.9 cms and regular in outlines and echopattern is normal. No calculus is seen. No dilated calyx is seen. Cortico-medullary differentiation is normal. No ascites is seen. No pleural effusion is seen. No gross enlarged aortic and para-aortic lymphnodes seen. Diaphragmatic movements are normal. Impression -- Hepatomegaly, fatty change grade II, Cholelithiasis.