Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest film ___ at 22 :05 is submitted
    OUTPUT:
    
Cardiac and mediastinal contours are stable . Lungs appear well inflated without evidence of focal airspace consolidation to suggest pneumonia . No pulmonary edema or pleural effusions . No pneumothorax . Possible 3 mm nodular opacity in the periphery of the right mid lung projecting between the right sixth and seventh lateral ribs . Further imaging evaluation with a dedicated chest CT should be considered .