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Fig. 4 | European Journal of Hybrid Imaging

Fig. 4

From: Retention index of FDG-PET/CT SUVmax of the primary tumor in non-small cell lung cancer as a predictor of lymph node metastasis: a retrospective study

Fig. 4

A Adenocarcinoma with no lymph node metastasis. The RI of the primary tumor (arrow) was low at 0.15 (left: SUVmaxe 1.3, right: SUVmaxd 1.5). B Adenocarcinoma with lymph node metastasis. The primary tumor (arrow) exhibited a high RI of 0.53 (left: SUVmaxe 1.7, right: SUVmaxd 2.6). C Squamous cell carcinoma with no lymph node metastasis. The primary tumor (arrow) showed a moderate RI of 0.39 (left: SUVmaxe 2.3, right: SUVmaxd 3.2)

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