preferred_name: Stage 0 AIDS-Related Anal Canal Cancer AJCC v6 and v7
preferred_name_lc: stage 0 aids-related anal canal cancer ajcc v6 and v7
label: Stage 0 AIDS-Related Anal Carcinoma AJCC v6 and v7
label_lc: stage 0 aids-related anal carcinoma ajcc v6 and v7