more bad news from the ENT

Today we had our supposidly last appointment with the ear-nose-throat doctor, a year after Elias' ear tubes were put in.  At the last appointment he had a nasty ear infection and the left tube had come out, but he seemed recovered and I fully expected him to get a clean bill of health this time.  Not.  He said Elias still had fluid behind his eardrum that was stopping him from hearing well, and it wasn't going to go away by itself.  That, plus his heavy snoring and constantly runny nose, made him say that Elias needed followup surgery, to replace both ear tubes plus remove adenoid glands.  In general I am very much against any "ectomy"--God put stuff there for a reason, even if we don't know the reason.  Medical history is replete with examples of surgeons removing "useless" parts, only to discover later their important health role.  I talked to the ENT quite a while, then his nurse, and now am going through the literature.  I am convinced it will help him; I'm just not entirely sure it won't also hurt him in terms of immunological function.  We can use your prayers for a correct decision.