Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is unchanged . Mediastinal and hilar contours are grossly unremarkable . No evidence for pulmonary edema , pulmonary consolidation , pleural effusion , or pneumothorax . Chronic bilateral rib fractures are again noted . Degenerative changes in the thoracic spine and ossification of the anterior longitudinal ligament are again noted . Mild dextroconvex curvature of the thoracic spine is also again seen . Concurrent left shoulder radiographs are reported separately .
    OUTPUT:
    
No evidence for acute cardiopulmonary abnormalities .