Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are n hyperinflated , suggesting chronic obstructive pulmonary disease . There is increased opacity at the right lung base , which could be due to underlying infection or aspiration . There appears to be perihilar peribronchial thickening . No large pleural effusion is seen although a trace right pleural effusion be difficult to exclude . There is no evidence of pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Findings suggest COPD . Right basilar patchy opacity could be due to infection or aspiration . Suggest dedicated PA and lateral views for better evaluation when patient able . Difficult to exclude trace right pleural effusion .