Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No acute focal consolidation . Mild interstitial edema persists and a small left pleural effusion is stable . Mild cardiomegaly is unchanged . Chronic right rib deformity . No pneumothorax .
    OUTPUT:
    
Mild interstitial edema , and new small left pleural effusion . No acute focal consolidation .