Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Cardiomediastinal silhouette and hilar contours are normal . Lung volumes are low but are clear . Pleural surfaces are clear without effusion or pneumothorax . Pulmonary vasculature is not engorged and there is no edema . Punctate calcifications seen diffusely , localized to the anterior soft tissues on lateral view , new since prior exam , of unclear etiology .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality , specifically no evidence of edema or vascular congestion . 2 . Punctate calcifications projecting over the anterior soft tissues diffusely are new and of unclear etiology , correlate with external artifact / history .