Mayo Clinic Health Manager
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Get StartedTargeted therapy for breast cancer: Pros and cons
By Mayo Clinic staff| Pros | Cons |
|---|---|
| Reduces risk of recurrence by about half in early-stage HER2-positive breast cancer | Not effective for breast cancers that are HER2-negative |
| Increases risk of congestive heart failure | |
| Extraordinarily expensive, but usually covered by insurance |