Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear of focal consolidation , pleural effusion or pneumothorax . The heart size is normal . The mediastinal contours are normal . No intra-abdominal free air is seen underneath the right hemidiaphragm . A left nodular opacity likely represents a nipple shadow , and recommend evaluation with nipple markers or shallow oblique radiograph views .
    OUTPUT:
    
No acute cardiopulmonary process . A left nodular opacity likely represents a nipple shadow , and recommend evaluation with nipple markers or shallow oblique radiograph views .