Table 1.

Patient characteristics (NSCLC: non-small cell lung cancer, SCLC: small cell lung cancer)

Sex
male	434 (50%)
female	431 (50%)
Age	Mean: 64 years (29–90)
< 64 years	424 (49%)
> 64 years	441 (51%)
Primary tumor entity	involvement of hypothalamus and pituitary gland
NSCLC	401 (46%) 13/401
SCLC	121 (14%) 8/121
Breast	106 (12%) 5/106
Melanoma	62 (7%) 1/62
Renal	27 (3%) 0/27
Colorectal	35 (4%) 2/35
Other	113 (13%) 6/113
Number of metastases	Mean: 5, median: 2 (range: 1–30)
Maximum size	Mean: 2 cm, median: 1.8 cm (range: 0.2 cm to 11 cm)