Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly has been stable compared to exams dating back to at least ___ . Left - sided ICD device is unchanged in position with the lead terminating in the right ventricle . Low lung volumes accentuate the hilar mediastinal contours , which are otherwise unremarkable . No focal consolidations concerning for pneumonia are identified . There is no pleural effusion or pneumothorax . Re demonstrated is an old , healed right mid clavicular fracture .
    OUTPUT:
    
No acute intrathoracic abnormalities identified .