When I eat the food mostly after the food o feel...

: Managment 
Chest pain mostly after eating food , Mostly will thinking about Gastrointesinal reflex disease which is cause food return through lower esophagul sphincter from stomach to esophagus whivh is mix with gastric acid which cause symptoms will descripe below , And we treat by reflex by follow preventive methods as do not eat about 3 hours and elevate your head during sleep , avoid gas juice and smoking , everyday perform sport and eat healthy food as fruits and vegatables , Then we use antiacid drug as fometidine and we advise you to use omprazole to improve and assist reliave your case ,other cause may be stones in gallbladder which associated increase by fatty food and radiate to back , which treat by preventive methods as descrip above , left hand pain thinking muscular pain and not related to food which treat by analgesia as ibuprofen and muscular relaxent as relaxon 
: Diagnosis
Advise you to go internal medicine doctor to take more detalied history , do clinical examination and do some investigation as blood test , biochemical and ultrasound or CT scan  
 : Symptoms of GERD

• Heartburn
• Chest pain increase after food 
• irritable 
• Loss of appetite
• weight loss
• undesirable taste in mouth