The winner of the 2003 and 2004 Supercars Championship and 2011 and 2012 Watkins Glen NASCAR Cup Series races, Marcos Ambrose has been fighting colorectal cancer. He announced that during the Pirtek Legends during the Supercars' Surfers Paradise round this week.
One of the all time great finishes, 2012: https://www.youtube.com/watch?v=cpBjJvUAcys