Fig. 1: Cumulative incidence of lung cancer.

Cumulative incidence of lung cancer (LC) for women without breast cancer (BC) diagnosis, women with BC not receiving radiotherapy (RT), and women with BC receiving RT (a). The distribution of the different LC histological subtypes for women with follow-up of longer than five years is displayed in (b) for women with BC, and in (c) for women without BC diagnosis. Number (No.).