Table 1.

Demographics and clinical features

Characteristic	Number (% or range)
Mean age at surgery	56.9 (21–84)
Sex
Male	127 (49.8%)
Female	128 (50.2%)
Location of tumor
Superficial lobe	54.2%
Deep lobe	8.4%
Both lobes	37.4%
Sign of onset
Swelling	87%
Pain	4.9%
Pain + swelling	2.4%
No signs	5.7%