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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Lowbrow (art movement) Lowbrow, or lowbrow art, describes an underground visual art movement that arose in the Los Angeles, California, area in the late 1970s. It is a populist art movement with its cultural roots in underground comix, punk music, and hot-rod cultures of the street. It is also often known by the name pop surrealism.