Palpable Masses after Mastectomy: Differentiating Benign Postoperative Findings from Recurrent Disease.

Due to postoperative changes, imaging evaluation of patients with palpable masses after mastectomy can be challenging. There is considerable overlap between the imaging characteristics of recurrent disease and benign postoperative findings in patients with or without breast reconstruction. US is the initial modality of choice for evaluating palpable masses in most patients after mastectomy.