Table 1.

Patient and Lesion Characteristics for the Common Cases (N=161)

	n (%)
AGE (years)
Age<50	30 (18.6)
50<=Age<=64	81 (50.3)
Age>=65	50 (31.1)
BREAST DENSITY
Dense Breasts	75 (46.6)
Fatty Breasts	86 (53.4)
MENOPAUSAL STATUS
Pre or Peri-Menopausal	43 (26.7)
Post-Menopausal	114 (70.8)
Missing	4 (2.5)
HISTOLOGY
DCIS	46 (28.6)
Invasive	115 (71.4)
TUMOR SIZE (mm)
Size<=5	21 (13.0)
5<Size<=10	31 (19.3)
Size>10	69 (42.9)
Missing	40 (24.8)
LESION TYPE
Mass	65 (40.4)
Asym Density	12 (7.5)
Calcification	60 (37.3)
Arch Distortion	8 (5.0)
Missing	16 (9.9)