Pulmonary Edema? My father have little dampen surrounded by one of his lungs. He coughs and mitt and legs are swelling.?

Pulmonary Edema? My father have little dampen surrounded by one of his lungs. He coughs and mitt and legs are swelling.?
I dunno what this question is asking.. but dance see the doctor.
I"m not sure about the sea in the lungs...but any doctor would in general give a diuretic to him (hydrochlorathiazide 25mg.) surrounded by order to lessen the swelling.