Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: More densely consolidated retrocardiac opacity with scattered nodular opacities bilaterally is concerning for multifocal pneumonia or aspiration in the proper clinical setting . There is no pneumothorax . Mild prominence of the hila may be due to vascular engorgement , can not exclude underlying lymphadenopathy . There may be a trace left pleural effusion or left pleural thickening at the costophrenic angle . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Multifocal opacities are concerning for multifocal pneumonia , although underlying aspiration or central vascular engorgement are not excluded in the proper clinical setting .