Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is unchanged . The aorta remains tortuous . Enlargement of the hila appears similar with mild pulmonary vascular congestion re - demonstrated . Previously noted right hilar and mediastinal lymphadenopathy on chest CT is not well assessed on the current radiograph . Patchy opacities in the lung bases may reflect atelectasis but infection is not excluded in the left lower lobe in the correct clinical setting . No pleural effusion or pneumothorax is demonstrated . There are no acute osseous abnormalities identified . An electronic device projects over the left chest wall .
    OUTPUT:
    
Moderate cardiomegaly with mild pulmonary vascular congestion . Patchy opacities within the lung bases likely reflects atelectasis .