Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 portable supine views of the chest demonstrate low lung volumes , crowding the hilar structures , with no evidence of overt pulmonary edema . There is no pneumothorax , pleural effusion or focal consolidation concerning for pneumonia . Multiple right - sided healed rib fractures were present previously in ___ . Calcifications projecting over the left heart are unchanged , likely of the mitral annulus . The heart is normal in size , allowing for portable supine technique . The mediastinal contours are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .