Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The aorta is mildly tortuous . Calcification is visible along the arch . The heart is normal in size . There is no pleural effusion or pneumothorax . In addition to vague increased asymmetry of interstitial markings in the left mid to lower lung , as depicted on the frontal view , there is focal opacity projecting along the lower lungs on the lateral view which also likely refers to the left , specifically the left lower lobe .
    OUTPUT:
    
Asymmetric opacities in the left lower lobe which may be infectious . No findings suggestive of congestive heart failure . Follow - up radiographs are suggested to reassess when clinically appropriate .