Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Shortly after the study , a preliminary interpretation was provided by Dr . ___ ___ stated " Improved aeration of the left lung base , minimal right - sided atelectasis . Otherwise , unchanged exam . No acute findings . " The cardiac , mediastinal and hilar contours appear stable including tortuosity of a calcified aorta . A central venous catheter terminates in the right atrium , also not significantly changed . Left basilar opacity has resolved . However , there is a new streaky right basilar opacity . There is no definite pleural effusion or pneumothorax .
    OUTPUT:
    
Resolution of opacity at the left lung base . New streaky right basilar opacity , typical for atelectasis but if symptoms were to persist , then short - term followup radiographs may be helpful to reassess since it is difficult to completely exclude an early pneumonia .