Fig. 2From: Measuring distance from the incisors to the esophageal cancer by FDG PET/CT: endoscopy as the referenceBland–Altman plot for FDG PET/CT versus endoscopy. a Reader A exam1 versus endoscopy. b Reader A exam2 versus endoscopy. c Reader B exam1 versus endoscopy. d Reader B exam2 versus endoscopy. Reader A radiation oncologist, Reader B nuclear medicine doctorBack to article page