Figure 1. Patient 2, oesophageal cancer with mediastinal lymph node metastases. (A) Chest CT image shows the primary lesion (arrow). Coronal views of (B) ¹⁸F-fluorodeoxyglucose (FDG) positron emission tomography and (C) FDG dual-head positron coincidence determination gamma camera detection show increased uptake in the node (upper arrows) and the primary lesion (lower arrows).

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