Help! Ca 15.3 increse but ct scan clear!

Hi! last 3 months my Ca 15.3 results have been going up quite a bit (its evaluated each month). On Dec 2024 I had Ct scans that showed a very good response to treatment. I was very confused because while ca15.3 was rising, tumors were resolving. I recived Juanuary 2025 Ca 15.3 results… and it incresed 5 points from december results… Im going crazy. Someone with a similar story? Thank you so much!

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Hi,
My oncologist never checks these blood levels as he says they are not accurate. Obviously I am completely ignorant about them, just repeating his opinion.

Maybe call the BCN nurses on Monday to chat it through

  • Helpline: 0808 800 6000 (Mon-Fri 9am-4pm; Sat 9am-1pm). Speak to our trained helpline team. No questions are too big or too small.

:smiling_face_with_three_hearts:

Yes, I was told the same. What does your oncologist or nurse say? I can see your concern, but I think this is one for your team to explain. I hope they’re able to put your mind at rest.

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