Fig. 3From: Evaluation of recurrence risk for patients with stage I invasive lung adenocarcinoma manifesting as solid nodules based on 18F-FDG PET/CT, imaging signs, and clinicopathological featuresKaplan–Meier analysis between the high- and low-risk groups. The high-risk group for recurrence was defined as those with IASLC grade 3, the presence of cavity sign, SUV > 3.9, or MTV > 5.4 cm3. The 5-year RFS rates were 94.1% and 61.3% for the low- and high-risk groups, respectivelyBack to article page