Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 cm left paracardiac round opacity described on ___ exam is persistent . The lungs are otherwise clear . Mediastinal and cardiac contours are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Persistent left paracardiac nodularity could be investigated by CT scan . This will also allow us to evaluate the chest pain . This was discussed over the telephone by Dr . ___ with Dr . ___ at 10 :47 a .m .