Webjessica oldwyn was diagnosed with diffuse astrocytoma in april 2010. In a previous clip of the cw's the last days, jessica surprised her husband, dan, with a wedding. Webmy 10 yr cancer anniversary. Today is my 10 year dd (diagnosis day). I know i'm not very good at sharing my health status, or managing my social media, but there is. Webi'm jessica oldwyn, i'm 35 years old, and i'm living with terminal brain cancer. If i would have listened to my doctors, i'd be dead by now. Instead, i took…