Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . Streaky left retrocardiac opacities are not significantly changed compared to the prior study from ___ , likely atelectasis , although infection can not be excluded . The lungs are otherwise clear . There is minimal fluid or thickening within the minor fissure . The heart size is top normal . Mediastinal contours are normal . No definite pleural effusions are seen . There is no pneumothorax . Marked thoracic kyphosis is redemonstrated , with mild loss of height of several thoracic vertebral bodies , not significantly changed . There is widespread endplate sclerosis , compatable with renal osteodystrophy . Surgical clips are seen in the right upper abdominal quadrant , as before .
    OUTPUT:
    
Streaky retrocardiac opacities , not significantly changed compared to radiographs from ___ , likely atelectasis , although infection can not be excluded .