WF Loculated Pleural Effusion Loculated Complex Pleural EffusionsAxial CT through the lung bases with large bilateral effusions with compressive atelectasis. The abnormal shape, particularly of the left lung characterized by pointed tethering and fixation of the left lower parenchyma at 2 points to the pleura indicating a fibrotic adhesive process and loculationAshley Davidoff MD TheCommonvein.net RnD