Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . Again noted is moderate hiatal hernia with streaky opacities suggesting minor associated atelectasis , which is unchanged , within the left lower lobe . In the right upper lobe there is a vague streaky opacity , correlating without previous site of more extensive opacification , perhaps residual scarring from prior infection . There is no pneumothorax or pleural effusion . A moderate L1 compression fracture was already present before there is new mild to moderate biconcave loss in height of T12 , age - indeterminant . The bones appear demineralized .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary disease or intrathoracic injury . 2 . Compression deformities of T12 and L1 , the latter probably unchanged , the former new and age - indeterminate although not necessarily acute . 3 . Moderate hiatal hernia .