It is a right, not an insult
Asking for a second opinion is normal in oncology and good doctors understand it; many suggest it themselves. Law 41/2002 on patient autonomy recognises the right to information and to decide, and every autonomous community has regulated second opinions in the public system for serious conditions, including cancer. You do not have to justify it, your doctor is not changed and your treatment continues in the meantime.
When it makes most sense
- At diagnosis, before deciding on complex surgery (low rectum, liver or lung metastases, peritoneal disease).
- When you are told something is "not operable" or "there is no further treatment".
- If your tumour has an uncommon feature (BRAF V600E, HER2, MSI-H, NTRK, young age).
- If you want to know whether there are clinical trials you have not been offered.
- If you do not understand or are not convinced by the plan and the relationship with your team is not helping to resolve it.
How to request it in the public system
- Where: at your hospital's Patient Services / User Services office (Servicio de Atención al Paciente), or from your regional health department (many have an online form). Some regions require the request within a set time from diagnosis (for example, 30 days); check yours.
- What: a written request stating the diagnosis and, if you wish, the preferred centre or specialist (normally it must be a public centre in the same region; some allow national reference centres, the CSUR).
- Timeframe: the administration usually has 15-30 days to respond and the second-opinion report is issued within weeks. If time is pressing, say so explicitly.
- Outcome: you receive a written report. If it agrees, it gives you peace of mind; if it differs, you can ask both teams to discuss it or choose to be treated where the alternative is offered (depending on your region's rules).
In the private sector or abroad you can request one yourself; you (or your insurer) bear the cost. It is compatible with continuing treatment in the public system.
What to bring (and what you are entitled to)
You are entitled to a full copy of your medical record; request it in writing at Patient Services. For a useful second opinion you need:
- The pathology report (biopsy and surgical specimen) and the molecular report (RAS, BRAF, MSI, HER2, NGS panel if any). If the other centre asks, the slides or paraffin block can be lent.
- Images (CT, MRI, PET) on CD/USB or access to your region's platform, not just the written reports.
- Oncology, surgery and radiotherapy reports and the tumour board minutes if they exist.
- Blood tests with CEA, and the list of treatments received with dates.
- Your questions, written down.
How to raise it with your oncologist
It is not compulsory, but it is usually better to say so: "I would like a second opinion for peace of mind; could you prepare a summary report for me?" Most appreciate it. If the response is hostile, that is one more reason to get one.
What to ask at your appointment
- Has my case been discussed at the tumour board, and which specialties took part?
- What alternatives to the proposed plan exist, even if they are not done at this hospital?
- Is there a reference centre for my situation?
- Can you give me copies of all the reports and images?