case_images: PMC9968488_01
case_images: Gross photo of the mass.
case_images: cureus-0015-00000034277-i01.jpg
case_images: PMC9968488_01_cureus-0015-00000034277-i01.jpg
case_images: FIG1
case_images: Histology slide of the mass. Malignant glands are present in a background of necrosis.
case_images: cureus-0015-00000034277-i02.jpg
case_images: PMC9968488_01_cureus-0015-00000034277-i02.jpg
case_images: FIG2
case_images: The pathology report endorsed malignant glands present in a background of necrosis (Figure 2). 
case_images: (A) PAX8 immunostain diffusely positive, (B) ER stain diffusely positive, and (C) p16 stain showing patchy positivity.
case_images: cureus-0015-00000034277-i03.jpg
case_images: PMC9968488_01_cureus-0015-00000034277-i03.jpg
case_images: FIG3
case_images: CDX2, CK7, and CK20 were negative (Figure 3). 
case_images: Transverse view of the CT-PET.
case_images: cureus-0015-00000034277-i04.jpg
case_images: PMC9968488_01_cureus-0015-00000034277-i04.jpg
case_images: FIG4
case_images: A CT-PET scan was performed to rule out further metastatic disease, which was negative other than the known pubic soft tissue tumor (Figure 4).