Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP view of the chest dated ___ at 06 : 20 is submitted .
    OUTPUT:
    
Lungs appear well inflated without evidence of focal airspace consolidation , pleural effusions , pneumothorax , or pulmonary edema . There is a 3 - 4 mm pulmonary opacity in the periphery of the right mid lung overlying the superior edge of the sixth posterolateral rib . Comparison to old films would be helpful to assess for stability . If unavailable , further imaging with dedicated chest CT should be considered . Heart is upper limits of normal in size given portable technique . Mediastinal contours are within normal limits . No acute bony abnormality is appreciated .