Course book Advanced Treatment Planning 2018
Limitations of 3DCRT
▪ Hard to get acceptable plans for concave targets
▪ One needs a large number of beams to accomplish dose coverage for complicated target volumes
▪ limited possible beam directions in regions with large number of critical structures ▪ optimal beam angles often non- coplanar and can be difficult to apply without collisions, and moreover: difficult to find
Courtesy Marika Enmark
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