Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . A slight increase in interstitial markings bilaterally may be due to minimal interstitial edema versus less likely atypical infection . No lobar consolidation is seen . There is blunting of the left costophrenic angle suggesting a trace pleural effusion . The cardiac silhouette is top normal . No evidence of pneumothorax is seen .
    OUTPUT:
    
Diffuse slight increase in interstitial markings bilaterally may be due to mild interstitial edema , less likely atypical infection . Small left pleural effusion . Dedicated PA and lateral views would be helpful for further evaluation if and when patient able .