Interval decrease in right-sided pleural effusion, likely post-thoracentesis, with no evidence of pneumothorax. The left pleural effusion remains unchanged, with persistent visualization of the automatic implantable cardioverter-defibrillator (AICD), central venous catheter, and opacities at the left lung base.
Simple pleural effusion (Present) Simple pneumothorax (Absent) Implantable defibrillator (Present)