Model Catalog: (Lot serial: SN H080060); Model Catalog: (Lot serial: SN H080053); Model Catalog: (Lot serial: SN H080059); Model Catalog: (Lot serial: SN H080049)
On-board imaging (OBI) refers to the use of daily x-rays (taken right on the linear accelerator) that help to confirm a match of treatment setup to the planned treatment.