Table 1.

List of items in categories checked by VRDCR program.

Categories	Items
Patient information	Patient name and ID
Prescription information	Prescription dose, PTV target, number of treatment fractions
Cobalt‐60 source information	Source serial #, calibration date, calibration source strength and dose rate, the decayed source strength and dose rate
Treatment plan	Plan name, total number of treatment beams
Per beam	Gantry angle, number of segments, total beam‐on time, beam fluence intensity map
Per segment	MLC leaf positions, beam‐on time