The 7th lung cancer TNM classification and staging system: Review of the changes and implications

Figure 2 Contrast enhanced thoracic computed tomography viewed with lung window settings shows a 5. 2 cm ill-defined mass suspected of lung cancer abutting the right lung hilum, causing narrowing of the upper lobe bronchus (A). B: Review of images on mediastinal window settings showed a paratracheal lymph node with short axis smaller than 1 cm (arrow) in station 2R; C and D: Positron emission tomography-computed tomography demonstrated a high [18F]-2-fluoro-2-deoxy-d-glucose-uptake of both mass and 2R node (arrowhead), resulting in an up-staging of the disease from T2bN1 (CT classification) to T2bN2. This finding was further confirmed by mediastinoscopy sampling.