Gary Sinise Shares the Heartbreaking News of His Son Mac’s Death at 33

Gary Sinise, the beloved actor best known for his role as Lt. Dan in Forrest Gump, has shared the devastating news of his son’s passing.

In a heartfelt message posted on both the Gary Sinise Foundation website and his personal Instagram account, Sinise revealed that his son, McCanna Anthony “Mac” Sinise, passed away at the age of 33 after a long and difficult battle with cancer.

Mac was diagnosed on August 8, 2018, with a rare and aggressive form of cancer called Chordoma, a type of tumor that occurs in the bones of the spine and skull base.

His diagnosis came just three months after his mother, Moira Sinise, was diagnosed with stage three breast cancer.

While Moira’s treatment was ultimately successful, Mac’s journey proved to be far more challenging…