Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to previous radiograph of 1 day earlier , asymmetrical pattern of pulmonary edema has slightly worsened with associated increasing small right pleural effusion . Large bulla is again noted at the left apex accounting for hyperlucency in this region .
    OUTPUT:
    
Slight interval worsening of the asymmetric interstitial pulmonary edema .