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Colorectal Cancer | Last Active: 9 hours ago | Replies (6)
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Replies to "Thank you. My oncologist suggested same. Wait until after treatment for pet scan Last chemo July..."
If the CEA is going to go down after chemo--at least with me-- it takes a few weeks to see a decline. I never had a PETscan. I can't recall when they did the bloodwork after chemo, but I know I had a regular CTscan a few weeks after the 4th (last) round. Every oncologist is different and I certainly defer to your oncologist.