Number of lesions found in PET và PET / CT Modality Number of les ions PET PET / CT p Total 272 294 0.007 Mean (Range) 3.36 ± 2.39 (1 - 13) 3.46 ± 2.41 (1 - 13) 13 Remarks: Mean number of lesions found in PET / CT was 3.46 lesions significantly higher than that found in PET (3.36 lesions).