I missed all of this while away, sorry for belated support.
In the first place, I can't believe they were looking at someone else's scans!
Leaving that aside, I agree with the idea of seizing the opportunity of the surgical window, and it is great that your team is doing so. Since you can't have an MRI, a multiphase CT is the next best thing. When I had them, they picked up a little liver met that previously had been seen only by MRI.
Best of luck!! Beaming positive energy your way.
F, 64 at DX CRC Stage IV
3/17/18 blockage, r hemi
11 of 25 LN,5 mesentery nodes
5mm liver met
pT3 pN2b pM1
BRAF wild, KRAS G12D
7/18 and 11/18 CT NED
12/18 MRI 5mm liver mass, 2 LNs in porta hepatis
6/19 Multiphasic CT LNs normal, Liver stable
6/28/19 Pause Key, predisone for joint pain
7/31/19 Restart Key
9/19 CT stable
Pain: all fails but Celebrex
12/23/19 CT stable
5/20 MRI stable/NED
6/20 Stop Key
All MRIs NED