Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left pectoral AICD with intact leads seen projecting over the right atrium and right ventricle . Minimal left basilar atelectasis . A linear , ___-___ opacity is seen in the retrocardiac region , corresponding to an area of pneumonia in ___ , and likely representing a residual scar . No pleural effusion , pneumothorax , or pulmonary edema is identified . Stable , mild cardiomegaly . Mediastinal hilar contours are normal .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process .