FILE PHOTO: U.S. rock and roll and country music singer and pianist Jerry Lee Lewis performs during his concert in Budapest October 31, 2010. REUTERS/Bernadett Szabo LOS ANGELES (Reuters) - Rock ?n? roll pioneer Jerry Lee Lewis has been discharged from a hospital to a rehabilitation center in Memphis, Tennessee, two weeks after suffering a stroke, his publicist said on Monday, quoting his doctor as saying Lewis is expected to fully recover. ?Jerry Lee is expected to fully recover with aggressive and intensive rehab,? Bhole said.