Fig. 1

Summary of treatment characteristics for all patients treated with adjuvant RT for left-sided breast cancer (n = 332). Abbreviations: RT, radiotherapy. 3DCRT, 3-dimensional conformal radiation therapy. IMRT, intensity modulated radiation therapy. VMAT, volumetric modulated arc therapy. LN, lymph nodes. Axill., axillary. Supracl., supraclavicular. IMN, internal mammary nodes