My dad is having a biopsy monday for a bladder cancer diagnosis. will we know anything immediately that day? or do the results have to be sent off?

Likely 1-2 days: It depends on your facility. Generally, a pathologist will have results in 1-2 days. However, wait times can be longer depending on the system used by your provider.

No: Most likely you will know what it looks like in the bladder but the pathological evaluation takes a few days. It does not usually need to be sent off but it requires certain stains and preparation to get an accurate results. It usually takes a few days