From: The impact of young age (< 40 years) on the outcome of a cohort of patients with primary non-metastatic breast cancer: analysis of 10-year survival of a prospective study
% (n)
Stage 1
Stage 2
Stage 3
Total
Presence of family history
41 (25)
39.3 (24)
19.7 (12)
100 (61)
Absence of a family history
22.4 (13)
51.7 (30)
25.9 (15)
100 (58)
31.9 (38)
45.4 (54)
22.7 (27)
100 (119)