Initially, we evaluated 42 patients; however, 17 were excluded as follows: 10 refused to perform the 6MWT after thoracentesis, and seven had loculated effusions, with a small amount of drained pleural fl uid ( , 300 mL).
Initially, we evaluated42 patients; however, 17 were excluded as follows: 10 refused toperform the 6MWT after thoracentesis, and seven had loculatedeffusions, with a small amount of drained pleural fl uid ( , 300 mL).