He had just completed a session of chemotherapy for pancreatic cancer at Stanford University Medical Centre in California.
The 55-year-old star is in pain, but is still fighting and is determined to beat the pancreatic cancer that has ravaged his body, says his 81-year-old mother.
Heartbroken Patsy Swayze, a former Hollywood dance choreographer who encouraged her son to enter showbusiness, said: "Patrick doesn't deserve to get this. He's got such a big heart."
The actor is reported to be receiving radical new treatment, possibly as part of a clinical trial at Stanford University Medical Centre, a cancer hospital in California.
The magazine said this includes experimental drugs and transfusions of blood which has been treated with drugs.
Throughout it all Swayze has so far continued to work, and has been upbeat and cheerful, encouraging people around him, said Bow Trigg, a good friend who has worked on his ranch for years.
Mr Trigg said: "The thing about Patrick is that he isn't like a famous person. He is humble and never lords it over other people."
Swayze, who everyone on the ranch calls Buddy, enjoys barbecues and drinking beer with the hands, he added. "Sometimes we've gotten so drunk we have fallen off our horses."
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