- •Delineation in LRRC is complex due to heterogeneous disease and absence of guidelines.
- •Inter-observer variation in LRRC is large.
- •Multidisciplinary target volume definition is essential.
- •QA data from PelvEx II trial will provide further insight in target volumes.
Background and purpose
Materials and methods
Abbreviations:LRRC (Locally recurrent rectal cancer), GTV (Gross tumour volume), CTV (Clinical target volume), PTV (Planning target volume), nCRT (Neoadjuvant chemoradiotherapy), OAR (Organs at risk), R0 (Radical resection), OS (Overall survival), RCT (Randomized controlled trial), DSC (Dice similarity coefficient), HD (Hausdorff distance), QA (Quality Assurance)
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