[ 99m Tc]3PRGD 2 for integrin receptor imaging of esophageal cancer: a comparative study with [ 18 F]FDG PET/CT

Objectives This study was designed to investigate the efficacy of 99mtechnetium-three polyethylene glycol spacers-arginine–glycine–aspartic acid ([99mTc]3PRGD2) in the evaluation of patients with esophageal cancer.