Fig. 3From: Elective breast radiotherapy including level I and II lymph nodes: A planning study with the humeral head as planning risk volumeDose distributions of a HTF, b HTF with sparing of the humeral head, c 6-field IMRT with sparing of the humeral head and d VMAT with sparing of the humeral head. PTVp in red, PTVn in turquoise, contralateral breast in blue and humeral head + 10 mm in green. Isodose lines: red: 100%, yellow: 95% and orange: 90%Back to article page