Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The right - sided pleural drain is unchanged in position . The loculated pleural effusion within the right hemithorax are again seen , and appears minimally increased in size . Right perihilar mass is better seen on the recent CT . There has been interval increase in mild pulmonary edema . Costophrenic angle on the lateral view is blunted , which is new compared to prior study indicating a new left pleural effusion . The cardiomediastinal silhouette is difficult to assess but appears largely unchanged .
    OUTPUT:
    
Interval development of mild pulmonary edema and likely increase in size of moderate sized loculated pleural effusion on the right . New small left pleural effusion .