case_images: PMC2828431_01
case_images: View of the mass on the operation table.
case_images: 1757-1626-3-33-1.jpg
case_images: PMC2828431_01_1757-1626-3-33-1.jpg
case_images: F1
case_images: The mass was excised transanally (Fig 1) (in pieces, because of friability); the tumor measured 5 x 7 cm, localized 1-2 cm proximal to the anal verge (Fig 2).
case_images: View of the resected mass.
case_images: 1757-1626-3-33-2.jpg
case_images: PMC2828431_01_1757-1626-3-33-2.jpg
case_images: F2
case_images: The mass was excised transanally (Fig 1) (in pieces, because of friability); the tumor measured 5 x 7 cm, localized 1-2 cm proximal to the anal verge (Fig 2).