Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the exam earlier on the same day , bilateral parenchymal airspace opacities are more conspicuous and could suggest multifocal pneumonia in the appropriate clinical situation . There is probably also component of asymmetric edema , worse on the right . Small right pleural effusion is unchanged . Cardiomediastinal silhouette is unchanged . Tortuous and / or ectatic thoracic aorta is unchanged . No pneumothorax . Clips in the upper abdomen may be from cholecystectomy is such history exists .
    OUTPUT:
    
1 . Interval progression of bilateral parenchymal opacities which could represent worsening edema ; however , multifocal pneumonia in the appropriate clinical situation is possible . 2 . Persistent small right pleural effusion and cardiomegaly .