Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly and a markedly tortuous , calcified aorta are again seen . Hilar contours are grossly stable . There is mild linear atelectasis at the lateral left base . There is no evidence for pulmonary consolidation , pulmonary edema , pleural effusion , or pneumothorax . The bones are demineralized . The ribs are underpenetrated on chest radiography for better visualization of the lungs . The lower ribs are not penetrated , and may not be fully included on the PA view . No obvious displaced rib fracture is identified . Two lower thoracic compression fractures are again seen without interval change , one of which demonstrates evidence of vertebroplasty .
    OUTPUT:
    
No evidence for acute cardiopulmonary abnormalities .