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Figure 39: Encysted pleural effusion seen en face as an oval opacity; its margin is partially well defined and partially ill defined (AP radiograph). On the lateral radiograph, the effusion appears as a homogenous density with biconvex edges

Figure 39: Encysted pleural effusion seen en face as an oval opacity; its margin is partially well defined and partially ill defined (AP radiograph). On the lateral radiograph, the effusion appears as a homogenous density with biconvex edges