Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates low lung volumes . The cardiac silhouette is stable . No focal consolidation is identified . There are possible small pleural effusions . A right - sided venous catheter terminates in the mid SVC .
    OUTPUT:
    
No CHF or pneumonia . Possible small pleural effusions .