Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Semi-erect AP views of the chest were obtained . There are low lung volumes . The right costophrenic angle is hazy and can not exclude a small pleural effusion . The cardiomediastinal silhouette is unchanged . There is no focal consolidation or pneumothorax .
    OUTPUT:
    
Haziness at right costophrenic angle , can not exclude small pleural effusion . Otherwise , no focal consolidation .