TVD 2017

GTV definition: imaging

CT scan

GTV delineation

PET & PET CT

+ information from other imaging modalities

– Esophagography: intra-luminal tumor, early tumors, CC extension, under-estimates GTV,

no co-registration , 2D treatment

– EUS & EUS-FNA : T wall infiltration; adjacent N+, no co-registration

– Endoscopy (esophagoscopy, bronchoscopy): T extension, bronchus invasion, no co-registration

Fiore D – Radiol Med – 2006 Plukker JThM – Best Pract Res Clin Gastroenterol – 2006