The PA (posterior-anterior) film is obtained with the patient facing the cassette and the x-ray tube 6 feet away. This distance diminishes the magnification of structures closer to the x-ray tube. Heart is close to normal size as possible.
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Cross-transfer, or transplantation, is a surgical procedure in which, for example, surgeons amputate a healthy hand from a damaged arm and reattach it to a healthy arm with a damaged hand. While the palm of the hand would face the proper direction, the thumb would be where the pinkie was, and vice-versa.