Follow-up time and results post PET / CT scan (n = 109) Follow-up time and results n% Follow-up time (months) Mean± SD 35.9 ± 20.6 Range 12 - 89 Follow-up results Recurrence, metastatis Yes Postsurgical histopathology 57 52.3 Clinical, lab and test follow-up 28 25.7 No 24 22.0 Remarks: - Patients's mean follow-up time post PET / CT scan was 35.9 months.