<prompt> Takayasus arteritis with pulmonary arteries involvement is designated asType IType IIType IIIType IV  <response>: D Type IV Takayasus arteritis described as three types on the basis of the location and extent of the arteritis affecting the aorta. In 1977. Lupi- Herrera et al. described an additional variant with pulmonary artery involvement, which they designated type IV. 