. Author manuscript; available in PMC: 2019 Aug 7.

Published in final edited form as: Nat Rev Dis Primers. 2019 Jan 31;5(1):9. doi: 10.1038/s41572-019-0060-9

Table 3 ∣.

Staging of classic KS

Stage	Description	Features
Stage 1^a	Maculonodular	Small macules and nodules primarily confined to the lower extremities
Stage 2^a	Infiltrative	Plaques mainly involving lower extremities, sometimes associated with a few nodules
Stage 3^a	Florid	Multiple angiomatous plaques and nodules involving the lower extremities that are often ulcerated
Stage 4	Disseminated	Multiple angiomatous nodules and plaques extending beyond the lower extremities

KS, Kaposi sarcoma.

Stages 1–3 are subdivided into slow (A) or rapid (B) KS progression. Rapid progression is defined as an increase in the number or total surface area of KS lesions over 3 months¹⁴⁹.