Patients with stage III or IV ( or stage II base of tongue ) SCC ( n = @ ) were randomized to @ treatment arms : ( @ ) SFX , @ Gy/@ daily fractions/@ weeks ; ( @ ) HFX , @ Gy/@ twice-daily fractions/@ weeks ; ( @ ) AFX-S , @ Gy/@ fractions/@ weeks with a @-week rest after @ Gy ; and ( @ ) AFX-C , @ Gy/@ fractions/@ weeks .