Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Known large left upper lobe pulmonary mass is seen . No new focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . No pulmonary edema is seen . Slight prominence of the left hilum may relate to known underlying lymph nodes .
    OUTPUT:
    
Known large left upper lobe pulmonary mass . No new focal consolidation .