"One important test is checking to see if the cancer has metastasized (spread). Unfortunately for me, mine has and I am now #stage4breastcancer," said Thurston

Former “Bachelorette” Katie Thurston confirmed Friday on Instagram that her breast cancer is Stage 4 and has spread to her liver. In a candid update to viewers, set 43 days after she received a cancer diagnosis, Thurston shared that she has not started treatment yet due to testing and her decision to “focus on fertility” beforehand.

Bachelor Nation's Katie Thurston shared that her breast cancer has spread to her liver, giving her a stage 4 prognosis. Ovarian cancer is the sixth most common cancer in the country, with 7,500 women diagnosed with it every year.