case_images: PMC9201293_01
case_images: (A) MRI of the pelvis showing the soft tissue mass in the sagittal view. (B) MRI of the
  pelvis showing the soft tissue mass in the coronal view.. Abbreviation: MRI, magnetic resonance imaging.
case_images: 10.1177_23247096221103385-fig1.jpg
case_images: PMC9201293_01_10.1177_23247096221103385-fig1.jpg
case_images: fig1-23247096221103385
case_images: Inferiorly, the mass extended 2.3 cm across the midline with displacement of the rectum toward the left (Figures 1 and 2).
case_images: Magnetic resonance imaging (MRI) of the pelvis showing the axial view of the soft
  tissue mass.
case_images: 10.1177_23247096221103385-fig2.jpg
case_images: PMC9201293_01_10.1177_23247096221103385-fig2.jpg
case_images: fig2-23247096221103385
case_images: Inferiorly, the mass extended 2.3 cm across the midline with displacement of the rectum toward the left (Figures 1 and 2).
case_images: Positron emission tomography (PET)/computed tomography (CT) scan showing the perirectal
  perivascular epithelioid cell tumor (PEComa), outlined with arrows.
case_images: 10.1177_23247096221103385-fig3.jpg
case_images: PMC9201293_01_10.1177_23247096221103385-fig3.jpg
case_images: fig3-23247096221103385
case_images: A positron emission tomography (PET)/computed tomography (CT) after 2 cycles demonstrated a mild decrease in the size of the mass, which measured approximately 6.7 cm x 5.7 cm (Figure 3).