Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates well expanded clear lungs . The cardio mediastinal and hilar contours are unremarkable . There is no pneumothorax . Right - sided Port - A - Cath density cavoatrial junction . Epidural catheter projects over the midline of the spine , ending at approximately C6 - 7 . Left breast mass is better evaluated on recent chest CT .
    OUTPUT:
    
1 . No pneumonia . 2 . Epidural catheter projects over the midline of the spine , ending at approximately C6 - 7 .