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.
No takes yet. Share an insight, caveat, or question.
Trackler et al. (1966) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: