Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is subtle increase in interstitial markings bilaterally , particularly on the right , which could be due to slight fluid overload or atypical infection . No pleural effusion is seen . There is no pneumothorax . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Slight increase in interstitial markings , particularly overlying the right lung , could be due to mild fluid overload or atypical infection .