Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright half chest half abdominal study shows feeding tube tip at level of proximal stomach . The lung bases are clear and intestinal gas pattern is unremarkable . Surgical clips in the right upper quadrant suggest prior cholecystectomy . Mild lumbar dextroscoliosis .
    OUTPUT:
    
Feeding tube tip at level of proximal stomach .