Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable frontal AP chest film dated to ___ at 11 :29 is submitted .
    OUTPUT:
    
The right pleural pigtail catheter remains in place . There continues to be patchy opacity at the right base with associated small effusion suggestive of atelectasis . Remaining lungs are clear . No pneumothorax is appreciated . Overall cardiac mediastinal contours are stable . No pulmonary edema .