Fig. 2From: The usefulness of 18F-FDG PET/CT in follow-up and recurrence detection for patients with lung carcinoma and its impact on the survival outcome(a-d) 72-year-old male with recurrent lung tumor post therapy 18F-FDG PET/CT revealed 3.6 cm AP×2.5 cm wide medial left upper lobe (SUVmax 4.9) speculated mass with surrounding non FDG avid atelectasis (arrow). Contiguous left hilar metastatic lymphadenopathy (SUVmax 4.9) was detected (a, b). CT revealed atelectasis measuring 3.6 cm AP×2.5cm wide at the medial left upper lobe with no hilar metastatic lymphadenopathy detected (c, d)Back to article page