Appendix Table 2.

10-year risk of recurrence, women with nodal negative breast cancer receiving BCS without RT

Tumor Size	ER	Tumor Grade	Age	10-year risk of recurrence (local or distant metastasis)
1–20 mm	Negative	1	60–70	25%
1–20 mm	Negative	1	>70	23%
1–20 mm	Positive	1	60–70	11%
1–20 mm	Positive	1	>70	10%
1–20 mm	Negative	2	60–70	37%
1–20 mm	Negative	2	>70	34%
1–20 mm	Positive	2	60–70	19%
1–20 mm	Positive	2	>70	16%
1–20 mm	Negative	3	60–70	45%
1–20 mm	Negative	3	>70	40%
1–20 mm	Positive	3	60–70	32%
1–20 mm	Positive	3	>70	27%
21–50 mm	Negative	1	60–70	37%
21–50 mm	Negative	1	>70	34%
21–50 mm	Positive	1	60–70	17%
21–50 mm	Positive	1	>70	15%
21–50 mm	Negative	2	60–70	53%
21–50 mm	Negative	2	>70	49%
21–50 mm	Positive	2	60–70	28%
21–50 mm	Positive	2	>70	24%
21–50 mm	Negative	3	60–70	61%
21–50 mm	Negative	3	>70	56%
21–50 mm	Positive	3	60–70	45%
21–50 mm	Positive	3	>70	38%