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Below, week by week, is what OnCo's record of Mismatch-repair deficient (MSI-high) colorectal cancer says about the first two months: the order is typical, the timing is yours to ask about. Mismatch-repair deficient bowel cancer has lost its DNA spell-checker, so it carries thousands of mutations that the immune system can recognise. Immunotherapy alone controls most metastatic cases for years and makes most localised tumours disappear before surgery, sometimes so completely that no surgery is needed. Sections appear only where the record has something to say. Orientation, not medical advice.
Staging tests establish exactly what and where the cancer is. Everything else follows from the answers.
Ask which of these were tested and what the results were; see the report reader for what each value means.
These specialties appear in the standard of care for this cancer. In most centres they meet weekly as a tumour board to agree each plan; you can ask when yours was discussed and what was decided.
A second opinion from a centre that treats many similar cases is normal, not rude; the standard of care tells you what to compare it against.
Each row is a setting from the standard of care, in the order it usually arises. Not all will apply to you; your stage and biomarkers decide which do. The guideline grade, where recorded, says how strong the evidence is.
Neoadjuvant nivolumab plus ipilimumab for locally advanced tumours (NICHE-2) where available; surgery; adjuvant FOLFOX plus atezolizumab for stage III (ATOMIC); no fluoropyrimidine alone.
Pembrolizumab alone (KEYNOTE-177) or nivolumab plus ipilimumab (CheckMate 8HW); chemotherapy only if immunotherapy is contraindicated.
Six months of dostarlimab or another PD-1 antibody with non-operative management for complete responders (AZUR-1).
Colonoscopy every one to two years from age 25 (earlier for MLH1 and MSH2), daily aspirin (CAPP2), cascade germline testing of relatives, hysterectomy and oophorectomy after childbearing for women.
Generated from this cancer's standard of care, biomarkers and open problems. Take the group that matches where you are. To tick, add your own and print, open the one-page appointment sheet.
Trials open now for this cancer in OnCo, largest phase first. Joining a trial is a decision like any other: ask what the comparison arm is, whether a placebo is used, and what happens if you leave. The cancer page searches ClinicalTrials.gov live for more.
Much of what helps in the first weeks is free if you know to ask: testing, helplines, rides and lodging, second opinions, trial travel.
Every term links to the glossary.