Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There are low lung volumes that accentuate the bronchovascular markings . Basilar atelectasis are seen . There is increase in perihilar markings which may be due to vascular congestion ; however , an atypical infection is not excluded . No large pleural effusion is seen , although trace effusions are difficult to exclude . There is no pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Low lung volumes . Basilar atelectasis . Prominence of the interstitial markings may be due to fluid overload ; however , atypical infection is not excluded . Recommend followup .