Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small round opacity at the right lung apex , which may be due to a pulmonary nodule or overlapping structures . The lungs are free of pleural effusions or pneumothorax . No pneumonia or pulmonary edema . The mediastinum and hila are within normal limits . Heart size is top normal . No acute osseous abnormalities .
    OUTPUT:
    
1 . Round opacity at the left apex may be due to a pulmonary nodule . Recommend CXR with lordotic views for further evaluation . 2 . No acute cardiopulmonary process .