Defining the Target in Cancer of the Oesophagus: Direct Radiotherapy Planning with Fluorodeoxyglucose Positron Emission Tomography-Computed Tomography

A single scan with diagnostic PET-CT in the treatment position for RTP allows greater confidence in anatomical localisation and interpretation of biological information. The use of PET-CT may result in larger PTV volumes in selected cases, but did not exclude patients from radical treatment within accepted normal tissue tolerance.