Would you offer definitive XRT for muscle invasive bladder cancer arising within a bladder diverticulum?

A diverticulum is a common location for bladder cancer to arise. I am not aware of any association between RT diverticula and increased risk of bladder perforation. I have personally never had an issue treating diverticula to full dose (either 64 Gy in 2 Gy fractions or 55 Gy in 20 fractions) in ter...

I don’t understand the question. There is no muscle in bladder diverticulum. So how can a patient have MIBC in a tick?