Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No definite focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . A rounded density is seen overlying the left lower lung field on the anterior projection , without a correlate on the lateral view , and likely represents a nipple shadow . The cardiomediastinal silhouette is stable . No acute bony abnormality is detected .
    OUTPUT:
    
1 . No definite radiographic evidence for acute cardiopulmonary process . 2 . Rounded opacity overlying the left lower lung field . Recommend repeat radiograph with nipple markers .