Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided large - bore central catheter is again seen , terminating in the right atrium , unchanged from the prior study . Mild diffuse interstitial opacities are stable , thought to represent chronic hypersensitivity pneumonitis on chest CT from ___ . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable , with the cardiac silhouette mildly enlarged with the aorta calcified and tortuous . Thoracic scoliosis is again seen . There is stable compression of a mid - to - lower thoracic vertebral body . Again seen is mild indentation of the left trachea at the level of the clavicles , unchanged compared to multiple priors since ___ .
    OUTPUT:
    
No significant interval change .