I still have my bladder so I have no experience from neo bladder. Back pain is usually from the kidneys. Tell your doctor at once about the pain. If there is restriction causing the pain, this could harm the kidney.
Niklas
12-12 Diagnosis
13-1 Turb TAG1
13-5 Turb Ta low grade, multiple
13-10 Turb TaG2, multiple
13-11 Mitomycin 8 weeks + 6 month
15-01 Turb