Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A peripheral opacity along the lower left lung has not significantly changed allowing for lower lung volumes on today 's examination . There is an adjacent small left pleural effusion . The right lung is grossly clear . There is no right pleural effusion . There is no pneumothorax . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
1 . Little interval change in left lower lung peripheral opacity allowing for decreased lung volumes . Radiographic follow - up to resolution is recommended . 2 . Small left pleural effusion .