Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right chest wall Port - A - Cath is again noted . The lungs are clear without focal consolidation , or edema . Blunting of the posterior costophrenic angles may be due to small effusions . Increased opacity in the retrocardiac region on the lateral view is compatible with known hiatal hernia . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Possible tiny bilateral pleural effusions . Otherwise , no acute cardiopulmonary process .