As the rare tumor of the breast, PTs pose a great challenge for surgeons. The initial evaluation of PTs relies on a triple evaluation of clinical, radiological, and histological examination. Local recurrence of PTs is more common than distant metastasis. The histology of recurrent tumors is usually identical to that of the primary tumor, or has a tendency to malignancy. Although most surgeons are uncomfortable with PTs with a positive margin, it is reasonable to adopt a "watchful waiting" strategy for benign PTs. The current recommendation that PTs should be extensively resected regardless of tumor size might be revised.
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