A 1.5-cm ill-defined nodular opacity lateral to the right interlobar artery, near the expected location of the costochondral junction of the fourth anterior rib, which was not visible on prior imaging. This finding may be bony or parenchymal in origin. Follow-up imaging with posteroanterior (PA) and lateral views is recommended for better characterization.
Nodule/Solitary lung nodule (Uncertain)