Treatment plan is performed using Eclipse Treatment Planning System (TPS) or Tomotherapy TPS. Patients are treated with Volumetric Modulated Arc Therapy (VMAT) technique (1/2 half arcs) or helical Tomotherapy using 6 MV photon beams. Treatment plans is optimized for coverage and homogeneity. Clinically significant maximum target dose up to 112% is considered acceptable. A comparison plan using standard tangential fields is performed for each patient.