Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is unchanged . The aorta remains tortuous and calcified . The mediastinal and hilar contours are similar . There is no pulmonary vascular congestion . The lungs are clear without focal consolidation . There is no pneumothorax . Blunting of the posterior costophrenic angles suggests trace pleural effusions . No acute osseous abnormality identified .
    OUTPUT:
    
Trace bilateral pleural effusions . No other acute cardiopulmonary process .