Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube in good position . Mediastinal wires and mitral valve repair . No pneumothorax . Mild pulmonary vascular congestion . Mild cardiomegaly . Slight increase in bibasilar opacities are likely atelectasis . Underlying and interstitial disease is better seen in prior CT
    OUTPUT:
    
No pneumothorax . Mild pulmonary vascular congestion .