Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is no focal consolidation or pneumothorax . Fullness in the perihilar regions in the setting of cardiomegaly and a small pleural effusions with ___ B - lines is compatible with mild interstitial pulmonary edema . The mediastinal silhouette is stable .
    OUTPUT:
    
Mild congestive heart failure .