Had 40 cc's of fluid removed from my knees, what is this amount within ounces?

Had 40 cc's of fluid removed from my knees, what is this amount within ounces?
it depends on how much the fluid weighs. 40cc is more or less 0.04 liters. if pure water its 40 gram.
30 ml = 1oz
if it is dense as distilled river then its close to 1.352 ounces i think
cc=ml & 30 ml=1oz