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".
During his fight with Big Raymond, Big Stan breaks his opponent's finger. However, the finger seems intact a few minutes later, as Big Stan is shown walking away.
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.