What is alan hale jr cause of death?

Alan Hale Jr. passed away on January 2, 1990, due to complications from cancer. He was suffering from thymus cancer, which is a rare type of cancer that affects the thymus gland located behind the breastbone. He was 68 years old at the time of his death. Alan Hale Jr. was best known for his role as Skipper Jonas Grumby in the hit TV show Gilligan's Island.