Thus , conventional , conformal , intensity - modulated , tomographic , and stereotactic radiotherapy are all produced by specially - modified linear accelerators .
The shape and intensity of the beam produced by a linac may be modified or collimated by a variety of means .
Conventional , conformal , intensity - modulated , tomographic , and stereotactic radiotherapy are all produced by specially - modified linear accelerators .
The shape and intensity of the beam produced by a linac may be modified or collimated by a variety of means .