Figure 5: (a) Dose distributions at chest (A), abdomen (B), and pelvic (C) areas for helical irradiation of the total skin (HITS) treatment in a study phantom. (b) Due to our RANDO phantom without the thighs and arms, the CT images of whole body of one patient who received total marrow irradiation were used to replan with HITS technique to show the workable of dose delivery to extremities.