Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is patchy opacity in the right mid to right lower lung which raises concern for infection . No large pleural effusion is seen . There is no evidence of pneumothorax . The cardiac and mediastinal silhouettes are stable , with the aorta tortuous and calcified , and the cardiac silhouette top normal to mildly enlarged .
    OUTPUT:
    
Patchy right mid - to - lower lung opacity raises concern for infection and / or aspiration .