Increasing CEA

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Claudine
Posts: 694
Joined: Tue Mar 12, 2019 2:41 pm
Location: Montana

Re: Increasing CEA

Postby Claudine » Tue Jun 21, 2022 1:31 pm

Hi Dennis,
Sorry about the increase... It's so nerve wrecking :(
One thing I'd ask your doc is whether you should get a PET scan instead of the usual CT. My husband had a series of "clear" CT scans despite high CEA values, and it took a PET to find a tumor in his rectum - it was most likely there before but wasn't detected.
Wife of Dx 04/18 (51 yo). MSS, KRAS G12A, no primary
Lytic met L4 vertebrae, EBRT 04/18, SBRT 02/19
Resect small intestine 05/18 (no cancer - Crohn's)
Failed adjuvant Xelox ; Folfiri + Avastin 03/19 to 01/20
6.7 cm left adrenal mass 03/19, successful resection 02/20
Multiple small lung nodules (03/19) now gone/calcified
L3-L4-L5 fusion surgery and partial corpectomy 05/20
CEA since 03/19: high 81.1, low 3.2, now 66
MRI 2/11/22: rectal adenocarcinoma pT3 pN0 stage 2A
LAR surgery April 11

Dennyp
Posts: 39
Joined: Thu Oct 29, 2020 9:28 pm

Re: Increasing CEA

Postby Dennyp » Tue Jun 21, 2022 2:20 pm

Claudine wrote:Hi Dennis,
Sorry about the increase... It's so nerve wrecking :(
One thing I'd ask your doc is whether you should get a PET scan instead of the usual CT. My husband had a series of "clear" CT scans despite high CEA values, and it took a PET to find a tumor in his rectum - it was most likely there before but wasn't detected.

Hi Claudine,

Yes, that’s the plan. We had agreed that if the CEA continued to rise I would get a PET scan. Was you husbands tumor in a new location or was it a recurrence?
5/19 IIIC sigmoid cancer 2/25 lymph nodes positive
5/19 surgery
7/19 FOLFOX 6 months
9/20 recurrence to single lymph node
10/20 FOLFIRI 5 rounds
1/21 surgery to remove lymph node
4/21 CT NED
8/21 CT NED
11/21 CT NED
2/22 CT NED
5/22 CT NED

Claudine
Posts: 694
Joined: Tue Mar 12, 2019 2:41 pm
Location: Montana

Re: Increasing CEA

Postby Claudine » Tue Jun 21, 2022 2:28 pm

Was you husbands tumor in a new location or was it a recurrence?


We'll never know! His primary tumor wasn't found when he was first diagnosed 4+ years ago, so this rectal one could either be a second primary (the onc's opinion), or it could be the original primary that finally became large enough to be detectable (the rectal surgeon's opinion). I read a research article that shows that primary tumors as small as a pencil head can metastasize...
Wife of Dx 04/18 (51 yo). MSS, KRAS G12A, no primary
Lytic met L4 vertebrae, EBRT 04/18, SBRT 02/19
Resect small intestine 05/18 (no cancer - Crohn's)
Failed adjuvant Xelox ; Folfiri + Avastin 03/19 to 01/20
6.7 cm left adrenal mass 03/19, successful resection 02/20
Multiple small lung nodules (03/19) now gone/calcified
L3-L4-L5 fusion surgery and partial corpectomy 05/20
CEA since 03/19: high 81.1, low 3.2, now 66
MRI 2/11/22: rectal adenocarcinoma pT3 pN0 stage 2A
LAR surgery April 11

Dennyp
Posts: 39
Joined: Thu Oct 29, 2020 9:28 pm

Re: Increasing CEA

Postby Dennyp » Tue Jun 21, 2022 2:32 pm

Thanks, I never knew that. Being the optimist I am, I’m still holding out hope it’s nothing. On every CT and PET scan I’ve had they have noted gallstones, maybe that has something to do with the rise. I guess I’ll find out soon!
5/19 IIIC sigmoid cancer 2/25 lymph nodes positive
5/19 surgery
7/19 FOLFOX 6 months
9/20 recurrence to single lymph node
10/20 FOLFIRI 5 rounds
1/21 surgery to remove lymph node
4/21 CT NED
8/21 CT NED
11/21 CT NED
2/22 CT NED
5/22 CT NED

User avatar
Peregrine
Posts: 99
Joined: Tue Mar 01, 2022 1:18 am

Re: Increasing CEA

Postby Peregrine » Tue Jun 21, 2022 2:35 pm

Dennyp -

Have you ever had your primary tumor tested for MSI-status and for KRAS/NRAS/BRAF mutation status? This might be relevant if you ever have to go back on chemo.

Dennyp
Posts: 39
Joined: Thu Oct 29, 2020 9:28 pm

Re: Increasing CEA

Postby Dennyp » Tue Jun 21, 2022 2:38 pm

Yes I have, MSS, KRAS, G12D. Not a whole lot of options is my understanding. Actually this was the results from a recurrence I had to a single lymph node. Is it possible the primary tumor was different?
5/19 IIIC sigmoid cancer 2/25 lymph nodes positive
5/19 surgery
7/19 FOLFOX 6 months
9/20 recurrence to single lymph node
10/20 FOLFIRI 5 rounds
1/21 surgery to remove lymph node
4/21 CT NED
8/21 CT NED
11/21 CT NED
2/22 CT NED
5/22 CT NED

User avatar
Peregrine
Posts: 99
Joined: Tue Mar 01, 2022 1:18 am

Re: Increasing CEA

Postby Peregrine » Tue Jun 21, 2022 10:39 pm

Dennyp wrote:Yes I have, MSS, KRAS, G12D. Not a whole lot of options is my understanding. Actually this was the results from a recurrence I had to a single lymph node. Is it possible the primary tumor was different?

Hi Denny,
I don't really know the answer to your question, but I suppose that in some cases a met might begin to mutate under certain circumstances, for example if the met has been treated by a lot of strong chemo and is now starting to develop resistance. This is just a guess. I think I remember reading about someone where this sort of thing happened.

Hopefully you won't ever have to go back on chemo again, but if you do, there might be some new clinical trials available for MSS patients. A link to Fight CRC's MSS clinical trial finder can be found here.

https://coloncancersupport.colonclub.com/viewtopic.php?f=1&t=53238&p=507238#p490042

For example, here is a search for G12D-relevant Phase III clinical trials in the U.S., but there are over three hundred G12D trials of various kinds in other places:

https://fightcolorectalcancer.org/trial-results/?location%5B0%5D=united-states&phase%5B0%5D=phase-3

There are lots of trials for KRAS G12D because it's one of the most common KRAS mutations.
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Dennyp
Posts: 39
Joined: Thu Oct 29, 2020 9:28 pm

Re: Increasing CEA

Postby Dennyp » Tue Jun 21, 2022 11:32 pm

Awesome info, thanks!
5/19 IIIC sigmoid cancer 2/25 lymph nodes positive
5/19 surgery
7/19 FOLFOX 6 months
9/20 recurrence to single lymph node
10/20 FOLFIRI 5 rounds
1/21 surgery to remove lymph node
4/21 CT NED
8/21 CT NED
11/21 CT NED
2/22 CT NED
5/22 CT NED

Dennyp
Posts: 39
Joined: Thu Oct 29, 2020 9:28 pm

Re: Increasing CEA

Postby Dennyp » Wed Jun 22, 2022 12:49 pm

My doctor wants to wait another month and do another CEA. I like this plan!
5/19 IIIC sigmoid cancer 2/25 lymph nodes positive
5/19 surgery
7/19 FOLFOX 6 months
9/20 recurrence to single lymph node
10/20 FOLFIRI 5 rounds
1/21 surgery to remove lymph node
4/21 CT NED
8/21 CT NED
11/21 CT NED
2/22 CT NED
5/22 CT NED


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