Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is interval removal of a left - sided port since ___ . The lungs are clear without focal consolidation . There is no pneumothorax or effusion . The cardiomediastinal silhouette is normal . There is no evidence of pulmonary vascular congestion . The numerous surgical clips seen overlying the bilateral chest walls are unchanged .
    OUTPUT:
    
No evidence of pneumonia .