Takayasu aeritis mainly affects?

takayasu aeriis mainly affects aoa and its main branches and also pulmonary aery Takayasu aeritis of subclan aery in a Caucasian.Takayasu aeritis, an inflammatory and obliterative disease of medium and large aeries, is classified as a giant cell aeritis. It has a predilection for the aoic arch, its main branches, and coronary and pulmonary aeries Ref Davidson 23rd edition pg 456