LAS VEGAS (KLAS)– Henderson Silver Knights head coach Manny Vierios announced Thursday that he has been diagnosed with prostate cancer.

In a statement on Twitter, he says “Unfortunately, I’ve been diagnosed with prostate cancer. I had to take a leave of absence at the first part of the season.”

Viveiros has been off since, before the start of the season with an undisclosed illness, Viveiros says he plans to prepare for surgery and hopes to have the surgery done by mid-December.

Late Thursday the team announced that Head Coach Manny Viveiros will be back behind the bench starting Friday with an 11 a.m. puck drop against BAK.