After a lumpectomy followed by radiation, the goal is to remove and destroy all DCIS (ductal carcinoma in situ). Radiation significantly lowers the chance of it coming back — but it doesn't eliminate the risk entirely.
Here's what the numbers look like:
- Lumpectomy alone: 25–30% chance of recurrence
- Lumpectomy + Show Full Answer
After a lumpectomy followed by radiation, the goal is to remove and destroy all DCIS (ductal carcinoma in situ). Radiation significantly lowers the chance of it coming back — but it doesn't eliminate the risk entirely.
Here's what the numbers look like:
- Lumpectomy alone: 25–30% chance of recurrence
- Lumpectomy + radiation: Up to 15% chance of recurrence
So radiation does make a real difference! Higher-grade DCIS (faster-growing) does carry a greater risk of coming back, and if it does recur, it's more likely to be invasive. That's why ongoing follow-up is so important.
After treatment, most people have physical exams and screening tests once or twice a year. Your care team will guide you on how often to check in and what tests make sense for your situation.
June 27
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