Thought it was an ulcer : How John Farnham learned he had cancer 4bc.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from 4bc.com.au Daily Mail and Mail on Sunday newspapers.
John Farnham was operated on by 26 surgeons in a 12-hour procedure to remove a cancerous lump from his mouth and jaw. During that time his family were forced to use secret passwords.