Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the chest radiographs obtained ___ , no significant changes are appreciated . Lungs are fully expanded and clear without consolidations or suspicious pulmonary nodules . No pleural abnormalities . Severe cardiomegaly is unchanged . No pulmonary vascular congestion or pulmonary edema . Cardiomediastinal hilar silhouettes otherwise normal . There is partial opacification of the thoracic anterior longitudinal ligament . In the mid thoracic spine , there is either disruption of this ossified ligament or incompletely joined bridging syndesmophytes .
    OUTPUT:
    
No radiographic evidence of pneumonia or other acute cardiopulmonary abnormalities .