Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The aortic arch is partly calcified . There is no pleural effusion or pneumothorax . Patchy linear opacities in the left mid-to - lower lung suggest minor atelectasis . There is no pleural effusion or pneumothorax . New sclerosis associated with the right posterior sixth rib suggests a fracture that is subacute or older without displacement . Mild compression deformities along the visualized thoracolumbar spine appear unchanged . The bones are probably demineralized .
    OUTPUT:
    
No evidence of acute disease .