Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly . . The lungs are clear . Previously seen nodular opacity in the right lower hemi thorax is not longer visualized , represented the nipple shadow . There is no pneumothorax or pleural effusion . The osseous structures are unremarkable
    OUTPUT:
    
No acute cardiopulmonary abnormalities . Mild cardiomegaly