Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again is seen a crescentic lucency above or in the region of the right hemidiaphragm which either represents stable pneumoperitoneum versus a locule of gas within the supradiaphragmatic pleural space . There is no diaphragmatic flattening or mediastinal shift . The right pleural effusion has improved since prior exam , now small , with areas of streaky atelectasis predominantly affecting the right middle lobe and right lung base . Improvement in the small left pleural effusion has also occurred , now trace in extent . Streaky atelectasis at the left base is also present . No apical pneumothorax is seen .
    OUTPUT:
    
1 . Stable appearance of right lower chest crescentic lucency either representing pneumoperitoneum or a right basal pneumothorax without tension . 2 . Improved bilateral pleural effusions with associated atelectasis .