| 摘要 |
A radiation treatment system ( 100 ) for accurately delivering radiation to a targeted site within a cancer patient ( 108 ) that includes a modular patient support system and a patient positioner ( 114 ). The modular patient support system includes a modularly expandable patient pod ( 200 ) and at least one immobilization device, such as, for example, a rigid moldable foam cradle ( 350 ). The patient pod ( 200 ) includes a generally hemi-cylindrical support shell ( 212 ) that extends longitudinally between proximal edge ( 214 ) and distal edge ( 216 ), and transversely between two lateral edges ( 222, 224 ). In one embodiment, the lateral edges ( 222, 224 ) are tapered to minimize edge effects that result when radiation beams traverse the lateral edges ( 222, 224 ).
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