Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable frontal radiograph of the chest was acquired . There is redemonstration of a right PICC , ending in the low SVC , not significantly changed in position . The lungs are clear . Mild - to - moderate cardiomegaly is not significantly changed . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . Right PICC ends in the low SVC , as before . 2 . Unchanged mild - to - moderate cardiomegaly .