Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show clear lungs without focal consolidation , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . A 4 mm pulmonary nodule in the peripheral right upper lobe is unchanged from the preceding radiograph and better assessed on recent CT of ___ which demonstrates several pulmonary nodules not appreciated by radiography . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits and unchanged from ___ .
    OUTPUT:
    
No acute cardiopulmonary process . Known pulmonary nodules are better evaluated on recent CT at ___ . Findings were communicated by Dr . ___ to Dr . ___ by phone at 11 :39 a .m . on ___ .