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1209357 tn?1346880512
chest ,pa and lateral view
What mean cardiothoracic ratio of 39?
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The cardiothoracic ratio is a measure of the size of the heart, relative to the size of the chest cavity.  It should be no greater than .50.  Assuming your result is .39, rather than 39, it means that the heart is a normal size and that it does not appear to be enlarged.  If the result on your report is the whole number 39, then I have no idea, sorry.
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