Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the previous radiograph there is a persistent parenchymal opacity in the left lower lobe , mainly centered around the peribronchial area . There are no associated complications including no pleural effusion . There is no pneumothorax . There remains mild tortuosity of the thoracic aorta and borderline enlargement of the heart .
    OUTPUT:
    
Persistent parenchymal opacity over the left lower lobe . CT chest is recommended to further characterize this finding given persistence after treatment for pneumonia . Wet read was called as requested to Dr . ___ at 10 :26 a .m . at the time of discovery by Dr . ___ ___ telephone .