Table 4

Difference between assessment and surgical specimen tumor volumes for all of the patients who had a measurable 12-week assessment (measured at 12 weeks), treated with anastrozole, irrespective of dose

	Caliper	Ultrasound	Mammography
n	23	23	23
Median	−0.24	−0.12	−1.33
Q1^a	−4.88	−0.67	−2.80
Q3	0.44	0.79	−0.35
Maximum	6.15	4.39	5.69
Minimum	−42.60	−1.89	−14.91

^a Q1, lower quartile (25% of data); Q3, upper quartile (75% of data).