Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear with no evidence of consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Multiple previously visualized sub - 4 - mm nodules in the left lung are better delineated on prior CT .
    OUTPUT:
    
There is no evidence of an acute cardiopulmonary process . However , given the patient 's history of AML , if clinical symptoms for a thoracic process are high , a dedicated Chest CT is recommended .