Radiation

No Radiation

p-value

Ipsilateral

· Invasive

· DCIS

3%

3%

6%

7%

0.01

0.0004

Contralateral

Not affected by radiation

Not affected by radiation

Not affected by radiation

Total DCIS

3%

9%

< 0.0001

Total Invasive

5%

7%

0.07