{Reference Type}: Case Reports {Title}: Massive pleural effusion in porous diaphragm syndrome due to lymphatic leakage after pelvic surgery. {Author}: Nishimura M;Ogawa T;Tanigaki T;Sumi K;Enjoji Y;Suyama Y;Kawana A;Kimizuka Y; {Journal}: Respirol Case Rep {Volume}: 12 {Issue}: 3 {Year}: 2024 Mar 暂无{DOI}: 10.1002/rcr2.1338 {Abstract}: We present the case of a patient who developed a massive right pleural effusion after pelvic surgery, not thoracic surgery. Lymphatic leakage into the abdominal cavity after pelvic surgery can cause massive pleural effusion when complicated with porous diaphragm syndrome.