Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette , hila , pleura , and pulmonary vasculature are normal . Slight callus formation of the known right lateral seventh rib fracture . Interval development of a left lateral seventh rib fracture with callus formation . No acute osseous abnormality .
    OUTPUT:
    
1 . No acute cardiopulmonary process , including no focal consolidation to suggest pneumonia . 2 . Subchronic healing bilateral seventh rib fractures .