Fig. 2From: Long-term survival after definitive proton beam therapy for oligorecurrent esophageal squamous cell carcinoma: a case reportPositron emission tomography before proton beam therapy. Accumulation of fluorodeoxyglucose is shown in (a) paraaortic lymph node metastasis and (b) liver metastasis in the S4 area with paraaortic lymph node metastasisBack to article page