Chemo After Effects What Is The Long Term Side Effects Of Chemo And Radiation Therapy After Total Gastronomy Surgery?

What is the long term side effects of chemo and radiation therapy after total gastronomy surgery? - chemo after effects

My brother had surgery 8 months to remove the entire stomach after gastric diagnoised tumor after surgery was a combination of chemotherapy and radiation therapy for about 3 months to the end, and CT was not free to begin with neck and back pain, sometimes hard to swallow and suffer stomach pains, is that the long-term noraml side and what the best way is to come with next as its fee payment after 1 months, is