But he remained defiant, adding: ‘There's more I want to do. Lots more. I want to last until they find a cure.'
Swayze told ABC television's Barbara Walters that his year-long battle with cancer had put him 'through hell' while he pushed on with his new TV series.
He also owned up to his fear: 'Yeah, I'm scared. Yeah, I'm angry. Yeah, I'm (asking), 'Why me?'
Swayze first realised his health was failing a year ago as he celebrated the start of 2008 with his wife Lisa Niemi, and found it painful to drink champagne.
Doctors found that Swayze had a malignant tumour in his pancreas. As it had spread to his liver, he was told surgery was not an option.
A spokesperson for the star was unavailable for comment on Wednesday night.
But a family friend said: 'He is touched by the flood of support from fans all over the world.
Dr Judy Kuriansky, a leading clinical psychologist who has not treated Swayze, said: 'When you are as determined an individual as Swayze, you want to have some control over how you spend your last days. I am sure he will summon every last vestige of strength to fulfill his desire.'
The news comes as it was announced that Swazye and his wife are penning a memoir of his life.