“My wife [Moira Harris] had been diagnosed ... “we are heartbroken and have been managing as best we can.” Related: Gary Sinise's Children: All About Sophie, Ella and Mac "As parents ...

Gary Sinise's son, McCanna 'Mac' Sinise ... that Mac was diagnosed with the cancer in 2018 -- the same year his wife, Moira, was diagnosed with breast cancer. While Moira recovered, the rare ...

Sinise exclusively speaks with ET about how he handled supporting both his late son, Mac, and wife ... celebs who joined Gary Sinise for his annual event held for the children of fallen military ...