Katie Thurston's Memory Loss Amid Stage 4 Cancer Battle

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Katie Thurston can't remember where she was traveling from when asked by customs - her cancer treatment is stealing her memories.

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"I'm losing my memory," the former Bachelorette revealed in her raw June 1 Instagram update as she battles Stage 4 breast cancer.

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Her hair now falls out "in unnatural amounts of clumps" after just two months of treatment - another harsh reality of her cancer journey.

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Katie's cancer spread shockingly fast - going from Stage 3 to Stage 4 in just 43 days when it reached her liver.

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During arguments with her new husband Jeff, Katie can't remember details: "This has happened before!" "When?" "I don't know but I know it has!"

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Unlike many cancer patients, Katie isn't getting chemotherapy - her "HER2-negative" status allows for hormone-blocking medications instead.

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What's next? Katie plans to try Histotripsy - a treatment using ultrasound waves to target liver tumors without surgery.

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"I might have to get my ovaries taken out. Not ideal," Katie revealed after medication failed to suppress her hormones as planned.

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Despite freezing embryos through IVF before treatment, Katie faces tough decisions about her future fertility.

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"Every day that I'm alive, I'm a survivor," Katie declared on National Cancer Survivors Day, fighting to live her "best life as a f***ing cancer patient."

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