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Table 4 The relationship between sizes of tumor and local progression

From: CT-guided percutaneous microwave ablation of pulmonary malignancies: Results in 69 cases

Tumor diameter

Patient number

Local control(CR, PR, SD),n(%)

Local progression(PD),n(%)

<3 cm

47

38 (87.33)

9 (12.67)

3-4 cm

12

11 (91.67)

1 (8.33)

>4 cm

10

5 (50.00)

5 (50.00)

  1. <3 cm vs. 3–4 cm, x2 = 0.794, P = 0.373; < 3 cm vs. >4 cm, x2 = 4.236, P = 0.0396; 3–4 cm vs. >4 cm, x2 = 4.774, P = 0.029; CR, complete response; PD, progressive disease; PR, partial response; SD, stable disease.