PREOPERATIVE DIAGNOSIS: , Right pleural effusion with respiratory failure and dyspnea.,POSTOPERATIVE DIAGNOSIS: , Right pleural effusion with respiratory failure and dyspnea.,PROCEDURE: , Ultrasound-guided right pleurocentesis.,ANESTHESIA: , Local with lidocaine.,TECHNIQUE IN DETAIL: , After informed consent was obtained from the patient and his mother, the chest was scanned with portable ultrasound.  Findings revealed a normal right hemidiaphragm, a moderate right pleural effusion without septation or debris, and no gliding sign of the lung on the right.  Using sterile technique and with ultrasound as a guide, a pleural catheter was inserted and serosanguinous fluid was withdrawn, a total of 1 L.  The patient tolerated the procedure well.  Portable x-ray is pending.cardiovascular / pulmonary, pleural effusion, dyspnea, gliding sign, hemidiaphragm, pleural catheter, pleurocentesis, respiratory, serosanguinous fluid, ultrasound, pleural, 