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Accurate delineation and irradiation of the GTV is a
prerequisite for a successful treatment of esophageal
cancer with radiotherapy.
Adequate tumour delineation is often hampered by the
poor discriminative value of CT and the inability to
relate ultrasound information to CT images.
Muijs et al. Rad Onc, 2010
PET/CT and RT in Esophageal cancer
Addition of PET/CT information may improve
the accuracy in the delineation process,
especially for IMRT.