Figure 7From: Guidelines for delineation of lymphatic clinical target volumes for high conformal radiotherapy: head and neck regionLymph regions and drain contoured in transversal CT slices: LN cervicales anteriores superficiales (yellow) and LN cervicales anteriores profundi subdivided into LN infrahyoidei (pink), LN prelaryngeales (violet), LN pretracheales (light pink) and LN paratracheales (light green) [1 cm slice thickness].Back to article page