Table 1.

Effects of cryosurgery ablation on pulmonary carcinoma.

GroupnComplete regressionPartial regressionStabilityProgressionTime of tumor progression (mon.)
I1604 (25.0%)8 (50.0%)4 (25.0%)4.2 ± 1.2
II + III25011 (44.0%)*12 (48.0%)2 (8.0%)8.5 ± 2.2**

  • ↵* Compared with group I, P < 0.05

  • ↵** Compared with group I, P < 0.05.