Please help me!!!!!

Hello and thank you in advance....
In January this year I was hospitalized for chronic pancreatitis. I spent 23 days with all types of test and not having the ability to eat. Actually I had not eaten in Dec, Jan. I left the hospital on the 23 Jan/had blood transfusion on the 22 and when I left on the 23rd I did have an appetite. I began to eat, trying to make up for not being able to eat. Mistake, big one and was unable to eat a complete meal again until March all the while losing weight. In dec I weighed 155 and when realeased I was 135. I was also very anemic as well. Long story short.......I made a determination to heal my body and overcome this obstacle and I began using my Nutri-Bullet daily with spinach/collards or kale/garlic/banana/blueberries/flaxseed/papaya or mango. plus other variations and after a week my desire to eat was back but my stomach shrank so much that I can only eat very small portions at a time. By today I am able to eat more meals in the day but I am still losing weight/down to 120. Got my blood test results today and cbc-normal/cholesterol-normal/sugar-normal. Oh yeah during these months of inactivity my muscles did atrophy too. I want to gain weight just a little but I sure don't wanna lose any more psychologically this is *&^%$ me up....Please any thoughts or suggestions.

Thank you for taking the time to read this.