"hydrothorax"^^ . . "113508826"@en-us . "accumulation of fluid in the pleural cavity (the space between the lungs and the walls of the chest) often resulting from disease of the heart or kidneys"@en-us . . "0"^^ . . . "0"^^ . . . . . . "114320602"^^ . "14320602-n"^^ . "hydrothorax"@en-us .