Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant change from ___ . Unchanged moderate cardiomegaly and unchanged pulmonary central vascular congestion . Unchanged moderate left pleural effusion . Left retrocardiac opacity has persisted and likely represents atelectasis although infection can not be ruled out . Right - sided AICD is seen with the leads projecting over the right atrium and right ventricle . Abandoned left sided leads are also seen . There is no pneumothorax . Mediastinal wires are normal .
    OUTPUT:
    
Moderate cardiomegaly and mild pulmonary central vascular congestion without evidence of pulmonary edema . Unchanged moderate left pleural effusion and left retrocardiac opacity likely representing atelectasis .