Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube and gastric tube are present . No focal consolidation identified . There is unchanged ill definition of the left hemidiaphragm when compared to the 2 most recent prior radiographs which may represent a small layering left pleural effusion . No discrete pneumothorax identified . The size and cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Suspected small layering left pleural effusion . No discrete pneumothorax identified .