2017_IGRT course book
What is 4D?
• Usually respiration (not time) ➢ Regular, predictable
• By extension: any intra-fraction motion
Made with FlippingBook - Online catalogs
What is 4D?
• Usually respiration (not time) ➢ Regular, predictable
• By extension: any intra-fraction motion
Made with FlippingBook - Online catalogs