CT/PET of the chest in the axial view demonstrating a 2.5 x 1.7-cm lobulated non-calcified mass (arrow) in the right posterior sulcus with faint FDG-avidity of SUVmax of 2.127CT: computed tomography; PET: positron emission tomography; FDG: fluorodeoxyglucose; SUVmax: maximum standardized uptake value