Hi, I'm 5'4" and got down to 113 lbs after my surgery on April 8, 2015. My internist said I needed to eat high calorie food to get up to 122. The last time I weighed a few weeks ago I was 126, so eat lots and hopefully you will gain your weight back. Looks like I'm going to have to start watching my weight again!
Good Luck and Kind Regards,