From what I just read, it sounds like she found out about her colon cancer rather recently,
https://people.com/tv/kirstie-alley-cancer-had-only-recently-been-discovered-children-said/?utm_campaign=peoplemagazine&utm_content=manual&utm_medium=social&utm_source=facebook.com&utm_term=638f37c26d9acb0001837de0&fbclid=IwAR1nELsJwn-Hha31FFeMDbr3KeQdCUKn2NOZLipdiFPGETMMOe_ccguerGc