Answer: Option A
Step-by-step explanation:
A peural effusion can be defined as the increase in the amount of fluid present around the lungs. Many medical condition can lead to increase in this fluid.
These conditions can be any type of injury or infection, mostly in the lungs.Pleura is a thin membrane that lies at the surface of lungs and inside the wall of chest.
In case of pleural effusion fluid deposits in the space between the layers of pleura. Leaking from other organs can be one of the reasons of pleural effusion.
Some infections like pneumonia and cancer can also lead to pleural effusion.
Hence, the correct answer is" Pleural effusion."