Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Per the radiology technologist , patient unable to raise arms for lateral image . Best films provided . There is mild blunting of the right costophrenic angle consistent with a small right pleural effusion . Trace left pleural effusion is difficult to exclude . No definite focal consolidation is seen . There is no pneumothorax . Evidence of prior vertebroplasty in the lower thoracic spine is again seen . The cardiac and mediastinal silhouettes are stable . The left humeral head again appears medially subluxed in relation to the glenoid .
    OUTPUT:
    
Small right pleural effusion and possible trace left pleural effusion .