Physics Bucharest 2017

Field light or CBCT and planned interval

• Spleen size – palliative radiotherapy splenomegaly (0.5 Gy x 20)

• Doctor palpate abdomen every week and compare ‘size of day’ with field light. If size reduction – ‘close one or two caudal MLCs’

• or in present era CBCT – and re-plan once a week