My advice for myself: Handcuff yourself to the table in the doctor's office, until they damn well figure out what the hell is wrong. Enough with the brush-offs. How the hell do you miss something ten centimeters across that isn't supposed to be there?
Advanced Quantum Mechanics; Rings, Groups and Fields... Hang it all, can I include all my mathematical physics and pure mathematics lectures here as lessons I never want to learn again. "Dammit Jim, I'm an experimentalist!"