Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD with single lead following its expected course to the right ventricle . There is no pneumothorax or mediastinal widening . No focal consolidation . No pleural effusion . There is no central vascular congestion or overt pulmonary edema . Moderate cardiomegaly has increased since prior exam .
    OUTPUT:
    
1 . Left - sided AICD with single lead following expected course to the right ventricle . No pneumothorax or mediastinal widening . No pleural effusion . 2 . Moderate cardiomegaly , increased since prior exam .