Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right central venous catheter is unchanged with the tip in the upper SVC . The lung volumes are low , though there is no evidence of a focal consolidation , pulmonary edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . A healed rib fracture on the right is unchanged .
    OUTPUT:
    
No acute cardiopulmonary process ; specifically , no evidence of pneumonia .