Welcome to Healthcare-Magic and thanks fot the query.
Well it is not easiy to verify fatty liver
and LFT findings so you should do it and everything will be more clear. cancer is the last thing to think of. it sounds to me like like fatty liver too associated with gastritis
or gerd so you need to do gastroscopy to rule this out. growling is also not a usualy sigh of tumor
and if symptoms persist you need to do more detailed gastroenterologix work up.
Wish you good health.