Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable frontal chest x-ray demonstrates no acute intrathoracic process . Blunting of the costophrenic angles with fluid seen in the minor fissure represents trace bilateral pleural effusions which are unchanged from prior study . The cardiac silhouette is enlarged with stable left ventricular predominance . Calcifications are again noted within the aortic arch , as are clips within the left neck . There is no pneumothorax . There are no suspicious osseous lesions .
    OUTPUT:
    
Probable tiny bilateral pleural effusions , unchanged from prior . No acute intrathoracic process .