hello

my dad ,50age,smooker,has DM.hyrertention

has plurisy,always in the night has fever

in x-ray examination: water present in his right lung

in bactrial culter examination: no bactria

treaeted for 3 weak by antibiotic without new results


the doctor say,he will treat him with cortison & may undergo surgery

i want to know what is causes of plurisy wich treated with cortison