Optimized CyberKnife Lung Treatment: Effect of Fractionated Tracking Volume Change on Tracking Results

Table 1

Clinical characteristics of 38 patients.

Characteristics
Gender
Male	25
Female	13
Anatomical location
Upper lobe	15
Middle lobe	13
Lower lobe	10
Tumor location
Peripheral	17
Central	21
Treat side
Left	18
Right	20
Fraction
5	13
6	11
7	14
Tumor density:
Tumor volume:
Tumor size (the shortest lengths in three dimensions): mean (cm)