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Fig. 1B —67-year-old man with adenocarcinoma in left upper lobe and
metastases in left lower paratracheal and aortopulmonary window nodes, which
were predicted by both helical dynamic CT and integrated PET/CT. Transverse
conventional (5.0-mm section thickness) enhanced CT scan (A) shows
lymph nodes with short-axis diameter of < 10 mm in left lower paratracheal
(arrow) and aortopulmonary (arrowhead) areas, representing
benignity under size criteria for CT. Integrated PET/CT image (B) shows
high 18F-FDG uptake with maximum standardized uptake values of 5.6
in left lower paratracheal (arrow) and 5.5 in aortopulmonary
(arrowhead) lymph nodes.
