Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were performed . Flattening of the diaphragms and increased retrosternal clear space suggest underlying COPD . Left basilar atelectasis is unchanged with mild elevation of left hemidiaphragm . There is no focal consolidation , pleural effusion , or pneumothorax . Cardiac and mediastinal silhouettes and hilar contours are stable with moderate cardiomegaly . Mediastinal widening is combination of fat and tortuous vessels . Hiatal hernia is again noted .
    OUTPUT:
    
No pneumonia , edema , or effusion . Dr . ___ was paged at 12 :57 p .m . on ___ .