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(Circulation. 1955;12:807.)
© 1955 American Heart Association, Inc.

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Costophrenic Septal Lines in Pulmonary Venous Hypertension

ANDRÉ J. BRUWER M.B., CH.B.¹; F. HENRY ELLIS JR. M.D.¹; JOHN W. KIRKLIN M.D.¹

¹ From the Mayo Clinic and Mayo Foundation, Rochester, Minn.

On the thoracic roentgenograms of patients with mitral stenosis, costophrenic septal lines are frequently seen. These lines are a sign of pulmonary venous hypertension. They were not seen in a representative group of patients with pulmonary arterial hypertension but without pulmonary venous hypertension.