RT Book, Section A1 Wang, Sunny A1 Dea, Tiffany O. A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1193162754 T1 Malignant Effusions T2 Current Medical Diagnosis & Treatment 2023 YR 2023 FD 2023 PB McGraw-Hill Education PP New York, NY SN 9781264687343 LK accessmedicine.mhmedical.com/content.aspx?aid=1193162754 RD 2024/04/19 AB ESSENTIALS OF DIAGNOSISOccur in pleural, pericardial, and peritoneal spaces.Caused by direct neoplastic involvement of serous surface or obstruction of lymphatic drainage.Half of undiagnosed effusions in patients not known to have cancer are malignant.