Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stably enlarged . Median sternotomy wires are aligned and intact . Left - sided Port - A - Cath terminates in mid SVC . There is mild retrocardiac atelectasis . Anterior wedging deformity of L1 is stable since ___ . Minimally displaced left first rib fracture is better appreciated on the prior CT from ___ .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Left first rib fracture better appreciated on prior CT . No other displaced rib fractures .