Rob Schneider collapsed secondary to heat exhaustion and food poisoning when soaring temperatures on the set left him struggling to keep up with filming.
Stan's lawyer informs him there was a "last minute change" made by the Bureau of Prisons. The Bureau of Prisons ("BOP") governs federal prisons only, but Stan was sentenced to a state prison, which is governed by the state's agency, known only as "Department of Corrections".
In the shower scene Big Stan gets cut with a razor blade above his right nipple. He says it will leave a scar. In later scenes there is no sign of any cut whatsoever.