A patient comes to radiology for a routine chest study.On the PA projection, the radiologist sees a possible calcification near a rib, but she cannot tell whether the calcification is in the lung or on the rib.What additional projections would assist with the diagnosis?

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The Answer of A patient comes to radiology for a routine chest study.On the PA projection, the radiologist sees a possible calcification near a rib, but she cannot tell whether the calcification is in the lung or on the rib.What additional projections would assist with the diagnosis?

A Patient Comes to Radiology for a Routine Chest Study