Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ , there is no significant change . No evidence of pneumonia . Mild bilateral vascular congestion . Bilateral atelectasis . Elevated left hemidiaphragm . No pleural effusion or pneumothorax is seen . Mild cardiomegaly . Ectatic aorta and enlarged bilateral pulmonary arteries are also seen on previous CT . Mediastinal hilar contours remain unchanged . Thoracolumbar fusion hardware partially visualized and appear intact .
    OUTPUT:
    
Mild bilateral vascular congestion with mild cardiomegaly but no pleural effusions . Bilateral atelectasis . Ectatic aorta and and large bilateral pulmonary arteries also seen on previous CT .