Imaging at the treatment machine, before each session, confirms the target is exactly where the plan expects — correcting for the small day-to-day shifts in the body's anatomy.
A precise plan is only as good as the set-up that delivers it. IGRT is the verification step that makes high-precision radiation trustworthy day after day.
Before (and sometimes during) treatment, imaging is taken on the treatment machine and compared with the plan. If the anatomy has shifted — as it naturally does from day to day — the position is corrected before the beam is switched on.
IGRT is not a separate course of treatment — it is the precision layer applied within IMRT, SBRT, SRS and other techniques, adding only moments to each session.
Bring your reports and scans for a consultation — he will tell you plainly whether radiation has a role.
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