Fig. 4

3D MIP (a) and axial fused PET/CT images (b and c) for a 60-year-old male patient underwent surgical excision of gastric adenocarcinoma followed by radiation and chemotherapy. No FDG avid lesions at the operative bed. Increased FDG uptake by multiple lymph nodes involving porto-caval, para-aortic, aorto-caval, retro-caval, bilateral common iliac, left internal and right external iliac groups as well as mediastinal lymph nodes (left infra-clavicular, pre-vascular, hilar, retro-crural, and posterior mediastinal groups). Multiple mainly lytic lesions involving the humeri (black arrows), few thoracic vertebrae, left sixth rib with soft tissue component (arrow head), sacrum, pelvic bones, and upper left femur. Final diagnosis obtained by radiological follow-up for recurrence