Persistent low lung volumes with new development of bibasilar airspace opacities, more prominent on the left. A small left pleural effusion cannot be excluded. Indistinct interstitial markings may be partly due to low lung volumes or could suggest mild interstitial pulmonary edema. The cardiomediastinal silhouette is stable.
Simple pleural effusion (Uncertain) Air space opacity–multifocal (Present) Edema (Uncertain)