Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low which causes crowding of bronchovascular structures . Opacity adjacent to the right heart border likely represents crowded vessels . The heart size is top normal , unchanged since ___ . The aorta is tortuous . No pleural effusion or pneumothorax identified .
    OUTPUT:
    
Low lung volumes causes crowding of the bronchovascular structures . Opacity adjacent to the right heart border likely represents crowded vessels , however , if there is concern for pneumonia repeat radiograph in the deep inspiration would be helpful .