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. 2015 Apr 1;20(4):292–298. doi: 10.1016/j.rpor.2015.03.002

Fig. 2.

Fig. 2

Patient immobilization system. A thermoplastic mask is attached to the base plate which is fixed to the treatment couch. Correction for patient rotation about lateral axis was carried out by placing plastic plates (lowest arrow) below the base plate. There are marks on the mask for the nose bone and deep holes for the ears (two upper arrows).