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First received: October 27, 2022

Clinical Trial: Inter-observer Variation in Gross Tumor Delineation of Esophageal Cancer on MR, CT and PET CT

Study Status: Active, not recruiting

Recruit Status: Active, not recruiting

Condition: Esophageal Cancer

Study Type: Observational


Official Title: Inter-observer Variation in Gross Tumor Delineation of Esophageal Cancer on MR, CT and PET CT

Brief Summary: The aim of the study is to investigate inter-observer variation in gross tumor volume (GTV) delineation of oesophageal cancer on different imaging modalities - CT, PET CT and MR.Twenty-three consecutive patients with esophageal cancer treated with preoperative or curative chemoradiotherapy were selected. All patients had CT, PET CT and MR imaging in treatment position prior to radiotherapy.Five experienced observers from our institution will independently delineate GTV on CT alone, MR alone, PET CT alone, on…

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