No differences were found between arms A and B in @-day mortality ( @ % v. @ % , respectively ; P = @ ) , @-year PFS ( @ % v. @ % , respectively ; P = @ ) , @-year OS ( @ % v. @ % , respectively ; P = @ ) , locoregional failure ( @ % v. @ % , respectively ; P = @ ) , or distant metastasis ( @ % v. @ % , respectively ; P = @ ) .