Table 1.

Relative stage distribution of breast cancers, by mode of ascertainment

Mode of ascertainment	Stage 0 (DCIS)	Stage I–III (%)	Stage IV
Clinical examination [47]	Few	90	10%
Mammography [47]	20%	75	5%
MRI [49]	33%	67	Low
Autopsy [48]	90%	10	0%