Table 2.

Outcome after recurrence in 707 patients with ductal carcinoma in situ analysed in relation to treatment^*

	Mastectomy	Excision and radiation	Excision only
Number of patients (n=707)	259	208	240
Total recurrences (n=74)	2	36	36
Invasive recurrences (n=35)	2	18	15
Distant metastases (n=7)	1	5	1
Breast cancer deaths (n=5)	0	4	1
Average tumour size (mm)	40	18	14
Local recurrence rate (%)	0.5	16	21
Distant recurrence rate (%)	0.5	3.4	1
Mortality from breast cancer (%)	0	3	0.9
Mortality from all causes (%)	6	7	9

^*All values for recurrences and mortality are Kaplan-Meier estimates at eight years.