Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . However , there is no focal consolidation , and no effusion or pneumothorax . Minimal left basilar opacities are likely atelectasis . Hilar and cardiomediastinal contours are normal . There is some prominence of the left hilum , likely reflecting arterial structures , given the lack of adenopathy seen on the lateral view . There is no pleural effusion or pneumothorax . There is no pulmonary vascular congestion or edema . Degenerative changes are seen in the thoracic spine , without acute osseous abnormality .
    OUTPUT:
    
No convincing evidence of thoracic lymphadenopathy .