WIDENING OF THE LEFT PARAVERTEBRAL PLEURAL LINE ON SUPINE CHEST ROENTGENOGRAMS IN FREE PLEURAL EFFUSIONS

Abstract
Widening of the paraspinal pleural line on the supine anteroposterior overexposed grid roentgenogram of the chest is proposed as an early diagnostic indicator of free pleural effusions. This finding is more often observed on the left than on the right side.

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