Planning target volumes Minimum dose (Gy) Maximum dose (Gy) Median dose (Gy) Mean dose (Gy) Left breast 34.1 64.2 52.5 52.6 Tumoral bed 60.4 66.4 64.1 64.0 Internal mammary nodes 43.3 54.5 50.9 50.9 Supra-clavicular nodes 44.9 58.8 50.9 51.0

Table 2: Delivered doses to the planning target volumes.