Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart and mediastinum are not enlarged . Aorta is minimally unfolded . There is equivocal bilateral hilar retraction . A small faint ill - defined density seen in the right upper zone laterally measuring roughly 9 .8 by 7 .6 mm . This lies between the posterior fifth and sixth ribs . The lungs are hyperinflated , suggesting COPD . No CHF , focal consolidation , pleural effusion , or pneumothorax detected .
    OUTPUT:
    
1 . Probable background hyperinflation . No acute pulmonary process detected . 2 . Possible nodular density in the right upper zone laterally . Recommend further assessment with shallow oblique views of the chest .