Peritoneal effusion can have many different causes. Depending on the cause of the disease, the severity and symptoms of the disease also vary.

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Peritoneal effusion is an abnormal accumulation of fluid inside the abdomen. In the early stages, patients do not have obvious symptoms, so it is difficult to detect the disease. When the effusion is severe, causing the abdominal skin to stretch with symptoms of tension and discomfort, the patient goes to the doctor and conducts diagnostic tests.