Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Evaluation of the left apex is limited due to patient position . Bibasilar atelectasis . No focal consolidations to suggest pneumonia . Vascular engorgement , but no overt pulmonary edema . Stable enlargement of the cardiomediastinal silhouette with calcifications of the aortic knob . No pneumothorax . No large pleural effusion . Diffusely demineralized bones with multiple thoracic compression fractures , grossly unchanged since ___ .
    OUTPUT:
    
1 . No definite evidence of pneumonia . 2 . Stable cardiomegaly with vascular engorgement , but no overt pulmonary edema .