Left-upper/mid back pain

My husband has been complaining of pain - always there like a finger poking hard and sometimes sharp radiating up the shoulder or around ribs. It has been 6 wks. - He has seen a Urologist, Gastroenterologist, Internist, Pulmonologist and Orthopedic - blood tests all normal, CT normal, MRCP normal all chest/rib xrays normal....
I need ideas = please help.
Thank you!