After Diagnosis
Getting a Second Opinion After a Cancer Diagnosis
You've been diagnosed with cancer and want to be sure the plan is right before you start.
Educational, not diagnostic. This page won't tell you whether you have cancer. It will help you have a more productive conversation with your physician. For emergencies, call 911.
Second opinions are routine in oncology. Studies suggest that between 10 and 30 percent of second opinions result in a meaningfully different diagnosis, stage, or treatment plan.
The right time is before treatment starts. For most solid tumors, a 2–3 week pause to gather records and meet a second team is medically safe and clinically valuable.
What changes most often: tumor grading, the stage, the order of treatment (e.g., surgery first vs. chemo first), and access to clinical trials or newer targeted therapies.
Common causes — most are not cancer
Rare or unusual diagnosis
Sarcomas, rare lymphomas, and pediatric-type cancers in adults benefit most from subspecialty review.
Complex treatment decision
When surgery, radiation, and systemic therapy are all options, a second opinion helps clarify trade-offs.
Clinical trial interest
Major academic centers often have trials your local oncologist may not have access to.
Treatment plan feels rushed
If you feel pressured to start immediately without time to ask questions, a second opinion is appropriate.
Insurance requires it
Some plans require a second opinion before approving high-cost treatments.
You want confirmation
Wanting reassurance is a legitimate reason. You don't need to justify it.
- Within 2–3 weeks of an initial cancer diagnosis, before starting treatment
- Before any major surgery for cancer
- When the recommendation involves an unusual or experimental approach
- If you've started treatment but aren't responding as expected
What a proper work-up looks like
- 1
Gather your records
Pathology slides (not just the report), imaging on CD, recent labs, and a written summary from your first oncologist.
- 2
Pathology re-review
The second team's pathologist re-examines your slides. This alone can change a diagnosis.
- 3
Imaging re-read
A subspecialized radiologist may re-read your scans, sometimes revising the stage.
- 4
Multidisciplinary consultation
You meet with medical oncology, surgery, and radiation oncology — often in a single coordinated visit.
Questions worth bringing to your appointment
- How does my diagnosis and stage match what I was originally told?
- What would you recommend, and why?
- Are there clinical trials I'd be eligible for?
- Can my treatment be coordinated between your team and my local oncologist?
Frequently asked questions
Will getting a second opinion delay my treatment dangerously?
For most solid tumor cancers, a 2–3 week pause to get a second opinion is medically safe and does not affect outcomes. Truly time-sensitive cases (acute leukemia, aggressive lymphoma) are the exception.
Will my insurance cover a second opinion?
Most PPO and Medicare plans cover second opinions. HMO plans typically require a referral. Many academic centers have financial counselors who verify coverage before the visit.
Should I tell my first oncologist I'm getting a second opinion?
Yes — and most physicians welcome it. They'll usually help send your records. A good oncologist sees a second opinion as collaboration, not competition.
Insurance accepted
Coverage details vary by plan. Our care coordinators help verify your benefits before scheduling.
Want a calm, expert opinion on what's going on?
Request a new patient consultation or independent second opinion with Keck Medicine of USC — Newport Beach. Most major insurance accepted.