Advanced Skills in Modern Radiotherapy 2018

MV 2D

• Widely available

• Ability to acquire continuous “snapshot” during the fraction

• Will provide field border information

• Will provide assessment of lung volume, breast contour

• Adequate for whole breast RT with standard fractionation

• Typically 5mm tolerance is acceptable

• Difficult to visualise surgical clips

• Depending on lung in field, generally sufficient information

from a “single” acquisition