Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph performed earlier in the same hour , there has been interval placement of a right sided pigtail catheter with resulting re-expansion of the right lung . No evidence of residual pneumothorax . There may be a small pleural effusion on the right . No substantial left pleural effusion . Diffuse bilateral reticular opacities remain evident , more prominent on the left , which could be seen in the setting of chronic lung disease .
    OUTPUT:
    
1 . Interval re-expansion of the right lung status post pigtail catheter placement . No evidence of residual pneumothorax . 2 . Small right pleural effusion .