preferred_name: Stage IV Acral Lentiginous Melanoma AJCC v6 and v7
preferred_name_lc: stage iv acral lentiginous melanoma ajcc v6 and v7
label: Stage IV Acral Lentiginous Melanoma AJCC v6 and v7
label_lc: stage iv acral lentiginous melanoma ajcc v6 and v7