Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild scoliosis with subsequent asymmetry of the rib cage . Normal lung volumes . No diaphragmatic flattening . At the medial aspect of the right cardiophrenic angle there is a zone of indistinct increased opacity , without a correlate on the lateral image . No other lung parenchymal abnormalities . Normal size of the cardiac silhouette .
    OUTPUT:
    
Questionable zone of increased density at the right medial lung bases . Given the clinical history and a subsequent increased risk the finding should be confirmed or excluded using CT .