Table 1.

Tumor response

	Patient 1	Patient 2	Patient 3	Patient 4	Mean
Age at diagnosis, y	89	72	73	70	76
Tumor size at diagnosis, cm	4.1	4.0	3.5	3.6	3.8
Time from diagnosis to initial visit, mo	14.6	0.9	23.7	32.4	17.9
Tumor size at initial visit, cm	5.1	4.8	4.2	4.0	4.53
Tumor growth rate from diagnosis to initial visit, cm/y	0.69	10.67	0.36	0.14	3.0
Approx tumor size at time of treatment, cm	5.4	4.8	4.2	6.0	5.1
SBRT treatment dose, Gy	15	15	15	15	15
Time from visit to treatment completion, mo	2.17	5.83	2.5	17.8	7.07
Tumor size at last follow-up, cm	5.7	3.8	2.7	4.8	4.25
Size reduction (%)	5.56	−20.8	−38.1	−20	−18.3
Overall size reduction, cm	0.3	−1	−1.6	−1.2	−0.85
Follow-up, mo	6	22	21	6	13.8

SBRT, stereotactic body radiation therapy.