Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , diffuse interstitial markings appear worse which may be due to progressing interstitial lung disease or mild pulmonary edema . Possible bilateral small pleural effusions are noted . The cardiac silhouette is obscured and difficult to evaluate but does not appear grossly enlarged . No evidence of pneumothorax .
    OUTPUT:
    
1 . Progression of diffuse interstitial markings may be due to worsening interstitial lung disease vs pulmonary edema . A Chest CT is recommended for further evaluation .