People News Shannen Doherty stays "positive" while getting tumor marker test 04/04/2018 Shannen Doherty posted on Instagram that she stays "positive" when taking a tumor marker test. She announced last year that she is in remission. Read More RELATED NEWS From Tokyo to Las Vegas: Taylor Swift's flight to Super Bowl LVIII'Chucky' Season 3 trailer released by USA Network and Syfy'Quantum Leap' Season 2 visits L.A. riots, Salem Witch Trials, and more TAGS: Shannen Doherty Heathers