J Med Phys Close
 

Figure 2: Cobalt-60–based tomotherapy plans of a “ring”-shaped structure (a) and an exaggerated concave “C” structure (b). Top: The dose distributions obtained with our in-house inverse treatment planning system; middle: the deliveries of both patterns on GafChromic film; bottom: gamma maps of the plans and deliveries using 5%, 5 mm gamma criteria

Figure 2: Cobalt-60–based tomotherapy plans of a “ring”-shaped structure (a) and an exaggerated concave “C” structure (b). Top: The dose distributions obtained with our in-house inverse treatment planning system; middle: the deliveries of both patterns on GafChromic film; bottom: gamma maps of the plans and deliveries using 5%, 5 mm gamma criteria