Physics Bucharest 2017

Non-concordant plan selection

40/638 plan selections were non-concordant

the on-line choice was smaller than off-line selection on 21 occasions, and larger than off-line selection on 17 occasions, on 2 occasions no plan was deemed optimal for treatment

on line plan selec on (radiographer) On li l election (radiographer)

off line plan selec on (clinician) Off line plan s l ti li ician)

0.3%

4.9%

7.3%

small medium

36%

16%

17% 17.1%

small medium large

31.7%

37%

39%

48%

large none

61 %

46% 39%

38