Among women @ years , node negative patients had @ % @-y OS and @ % @-y CSS vs @ % @-y OS and @ % @-y CSS for node positive patients ( P = @ and P = @ , respectively ) , while among women > @ y , node negative patients had @ % @-y OS and @ % @-y CSS vs @ % @-y OS and @ % @-y CSS for node positive patients ( P = @ and P = @ , respectively ) .