Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral low lung volumes are noted with crowding of bronchovascular markings . No focal consolidation or pleural effusion is noted . There is no pneumothorax . Pacer device is noted overlying the left hemithorax . The cardiac silhouette is accentuated by low lung volumes .
    OUTPUT:
    
No acute cardiopulmonary process .