The Plasticity of CD4⁺CD25⁺FOXP3⁺CD127^low T Cells in Patients with Metastatic Renal Cell Carcinoma in the Course of Interferon-Alpha Immunotherapy

Table 1

General characteristics of patients.

Sex
Males	15 (83.3%)
Females	3 (16.7%)
Mean age, years	55 (41–77)
Histological variant
Clear cell RCC	18 (100%)
Prognosis (MSKCC)
Favorable	11 (61.1%)
Intermediate	7 (38.9%)
Stage IV (at the moment of immunotherapy)
After palliative nephrectomy	6 (33.3%)
After radical nephrectomy	12 (66.7%)
Previous therapy
Yes	2 (11.1%)
No	16 (88.9%)