Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two views of the chest demonstrate a right chest hemodialysis catheter with its tip located at the expected position of the right atrium . Low lung volumes are present . The pulmonary vasculature is mildly engorged . There is no pleural effusion or pneumothorax . The cardiac silhouette is top normal , the mediastinal contours are normal . Incidental note is made of a stent graft within the right arm .
    OUTPUT:
    
Mild engorgement of the pulmonary vasculature in the setting of low lung volumes , without focal consolidation to suggest pneumonia .