Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment of the lung apices is limited by the patient 's neck and chin obscuring these regions . Heart size is unchanged , appearing mildly enlarged . Mediastinal and hilar contours are unremarkable . There is mild pulmonary vascular engorgement . Linear opacities in the lung bases likely reflect areas of atelectasis . No focal consolidation , pleural effusion or large pneumothorax is identified . Fusion hardware within the lower cervical and upper thoracic spine is not completely assessed on this study . Mild compression deformity of an upper / mid thoracic vertebral body appears unchanged .
    OUTPUT:
    
Mild pulmonary vascular engorgement and bibasilar atelectasis .