Surgical classification of pulmonary vascular material according to Thistlethwaite et al. [4]

Type IType IIType III
Right specimen28159
Left specimen15306
  • Data are presented as n. Type I: fresh thrombus in the main and/or lobar pulmonary arteries; type II: intimal thickening and fibrosis proximal to the segmental arteries; type III: disease within distal segmental arteries only.