Table 1.

Location of the thrombus and corresponding Mastora score.

Thrombus location	Arteries scored	Range of Mastora score
Distal thrombus	20 segmental	0–100
Proximal thrombus	Five mediastinal and six lobar	0–55
Mixed-type thrombus	Five mediastinal, six lobar, and 20 segmental	0–155