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The ampullae of the fallopian tube in a 32-year-old woman with ectopic pregnancy (A). Moderate-to-strong expression of p53 is shown in the epithelial cells, but the staining pattern is not enough to be labeled p53 signature (B). The apoptotic body (C; arrow) and mild proliferative activity for Ki-67 (D) are shown. Positivity for estrogen receptor-alpha (E) and progesterone receptor A (F). All figures are presented at 40× original magnification.
