Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . There is stable mild bronchial wall thickening . The lungs are clear without consolidation or edema . There is no pneumothorax . Small bilateral pleural effusions are present . The mediastinal and cardiac silhouettes are mildly enlarged , although unchanged from prior exams , and likely due to post-CABG changes . Sternotomy wires are intact . A right PICC terminates in the mid to low SVC .
    OUTPUT:
    
1 . Small bilateral pleural effusions . 2 . No evidence of pneumonia . 3 . PICC terminates in the mid to low SVC .