Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable upright AP image of the chest . The right IJ central line terminates in the right atrium . The lungs are well expanded and clear . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unchanged from prior exam .
    OUTPUT:
    
1 . Right IJ central line terminates in right atrium . Pullback of 5 - 6 cm could be performed to have the tip located in the superior cavoatrial junction , if desired . No pneumothorax . 2 . No acute cardiopulmonary process . little cephalization ? edema supine positioning is repsonsible in part for distenstion ___ ___ ___ vasculatrue makes it difficult to eval for pulm edema - just last one this way .