A cloud with a silver lining: ground glass in a hypermetabolic sky

Positron emission tomography scans have become a key part of the staging work up for non-small-cell lung carcinoma. In the current issue, Hattori et al. performed a retrospective study of 603 patients with clinically node-negative hypermetabolic lung adenocarcinoma comparing outcomes of those with and without a ground-glass component. Those in the ground-glass group had a significantly improved 5-year survival [1]. The maximum standardized...