Fig. 9

a–c A male patient 69 years old presented with attacks of hemoptysis and proved histopathologically to have NSCLC. CT study reveals a malignant mass lesion involving the left upper lobe = 34.3 × 26.8 mm with subsequent distal pulmonary consolidation with malignant looking ipsilateral mediastinal lymphadenopathies with no definite metastases by CT and the case staged as T2 N1 M0. PET/CT reveals the same results yet with the more adequate delineation between the mass and the related distal consolidation with the actual mass size became 26 × 19 mm on average with subsequent T staging downgrading from T2 to T1. No change occurred for the surgical staging kept with IIB