Scroll - Scroll Wheel
Window - Left Click Drag
Zoom - Right Click Drag
Pan - Scroll Click Drag
Scroll - Vertical Swipe
Window - 3-finger Swipe
Zoom - 2-Finger Pinch
Pan - 2-Finger Swipe
Small bowel obstruction with transition point at the anastamosis
Small bowel obstruction due to a femoral hernia
closed loop small bowel obstruction
notice how a single image can't show the entering and exiting transition points?