In an interview with Samuel L. Jackson on the U.K. talk show "This Morning" the 69-year-old admitted that the type of cancer he battled in 2010 was not stage four throat cancer ... he was actually diagnosis with tongue cancer .
This was right before I had to go on a big tour for "Wall Street" so we kind of said , "There's no way we can cancel this tour and say we don't feel well," he explained, "So you know I said , you've just got to come out and just tell them I've got cancer and that's that .
Douglas revealed his diagnosis in August 2010 , but decided to keep his tongue cancer a secret after his doctor , who'd found a walnut-size tumor at the base of his tongue and revealed the surgery could impact his appearance in a major way .
"The surgeon said , lets just say it's throat cancer ," Douglas said , explaining that the doctor told him that if they do the surgery for tongue cancer "It's not going to be pretty" and that he faced losing part of his jaw and tongue . So Douglas kept his secret just in case he had to go under the knife .
The actor is currently separated from his wife .... Catherine Zeta-Jones and underwent aggressive chemotherapy and radiation treatment and was declared tumor free in January 2011.