From: Clinical Analysis of stereotactic body radiation therapy using extracranial gamma knife for patients with mainly bulky inoperable early stage non-small cell lung carcinoma
Tumor size
≤3 cm
3~5 cm
5~7 cm
>7 cm
Patients No.
4
20
10
9
Local recurrence
2
11
7
5
metastasis
1
13
8