Temporal Trends in Mastectomy Rates and Preoperative MRI
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
Mastectomy (%)
45
44
41
37
37
36
30
37
44
43
% of patients with MRI
11
13
19
22
Mastectomy (%) by MRI
MRI
44
53
57
52
No MRI
28
35
41
41