Table 1.

Characteristics of patients with alveolar echinococcosis included in this study

Patient no.	Stage	PNM code	Statusa	Age (yr)b	Sex	Follow-up duration (yr)
1	I	P1N0M0	Apparently dead, fully calcified lesion	58	M	4
2	I	P1N0M0	Unresectable, stable disease	61	M	3.5
3	II	P2N0M0	Curative resection	38	F	3
4	II	P2N0M0	Unresectable, stable disease	59	F	6.5
5	II	P2N0M0	Recurrence after resection	74	F	2.5
6	IIIa	P3N0M0	Recurrence after resection	17	F	3.5
7	IIIa	P3N0M0	Recurrence after resection	19	F	3
8	IIIb	P4N0M0	Unresectable, stable disease	57	M	3
9	IIIb	P4N0M0	Unresectable, stable disease	86	F	5.5
10	IV	P4N1M0	Curative resection	30	M	3
11	IV	P4N1M0	Curative resection	52	M	2.5
12	IV	P4N1M0	Unresectable, stable disease	54	M	4

^aAssessed by imaging (apparently dead lesion, progressive disease, and stable disease) or imaging and histologic analysis (curative resection).

^bAge when first blood sample was obtained.