Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Kyphotic positioning limits the evaluation . The lungs are normally expanded . There is surgical suture in the right upper lung likely from prior wedge resection . There is minimal retrocardiac opacity which appears new . There may be small right pleural effusion blunting the posterior costophrenic sulcus . There is no pneumothorax . Heart is mildly enlarged . There is no pulmonary edema . Core valve and vertebroplasties are re - demonstrated .
    OUTPUT:
    
Minimal retrocardiac opacity could reflect atelectasis or pneumonia in the right clinical setting .