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2D inter application conclusion
•
The inter-fraction dose variation of about
10% is seen
in 60%
of cases for both rectum and bladder.
However , maximum variation for rectum and
bladder is within
20% and 30%
respectively.
•
The variation in
ICRU rectal point was less as
compared to ICRU Bladder
point doses
•
Inter-fraction variation in doses and spatial location
may be critical if the ICRU bladder and rectal point
doses are high at first brachytherapy planning