Lower GI 2016

Squamous Cell Carcinoma with Mucus Microcysts ( “Mucoepidermoid carcinoma of the anus” )

Morson et al ( 1963 ) 21/178 ( 11.8 % )

Dougherty et al ( 1984 ) 6/79 ( 7.6 % )

Shepherd et al ( 1989 ) 10/235 ( 4.3 % )