Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is normal . The hila and pleura are unremarkable . There are pleural effusions or pneumothorax . Right chest port with a catheter tip that terminates in the right atrium and is unchanged from previous studies . Right - sided anterior chronic healed fractures are stable . A subcentimeter nodule lateral to the inferior - most fracture site which is likely benign finding not seen on chest x-ray on ___ study . This may represent a margin of the fractured rib , however supplemental imaging is recommend further characterization .
    OUTPUT:
    
No evidence of pneumonia . Subcentimeter nodular opacity not seen on previous imaging which requires supplemental imaging for further characterization .