Definition: Pyoperitoneum, also known as a pleural effusion or pleural effusion, is an abnormal fluid accumulation in the pleura, which is a covering membrane that covers the inside of the chest. It occurs when fluids from the lungs are trapped and released into the pleural space, causing pressure to build up within the pleura. Pyoperitoneum can be caused by various factors such as infection, injury, or certain medical conditions. It's important to note that a diagnosis of
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