| 摘要 |
A method and apparatus for delivering therapeutic radiation ( 112 ) to a radiotherapy target ( 119 ) in a patient ( 114 ) includes a diagnostic X-ray source ( 124, 125 ) connected to a treatment couch ( 116 ), facing a first side of the patient. An imaging device ( 118 ) is connected to the treatment couch facing a second side of the patient. The diagnostic X-ray source and the imaging device move in lockstep with movement of the treatment couch. The patient is in a fixed position relative to the treatment couch.
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