hi doctor, my son is 7 years old, he's having tonsillitis adenoids problem from 3.5 years.. tonsills are very big and mouth breathing is there.. doc suggested for surgery is it safe to do.. I'm scared of his future.. he had lymph nodes infection two times with heavy fever.. is it because of tonsills? he doesn't have any prblm for swallowing.. he's underweight.. should I do surgery