Table 1.

Patient Demographics (N=121)

Age at Diagnosis (years)	58 (12–84)
Women	52 (43%)
Race
White	91 (75%)
Asian	14 (12%)
Black	11 (9%)
Hispanic	3 (2%)
Other	2 (2%)
Smoking Status
Never smokers	74 (61%)
Light smokers (≤15 pack years)	16 (13%)
Heavy Smokers (>15 pack years)	31 (26%)
Masaoka Stage at diagnosis
Stage I	7 (6%)
Stage II	13 (11%)
Stage III	25 (21%)
Stage IVa	13 (11%)
Stage IVb	61(50%)
Undeterminate stage	2 (2%)
Paraneoplastic syndrome
Dermatomyositis	3 (3%)
Anti-VGKC antibodies	1 (1%)
Myasthenia gravis	0 (0%)
Histologic subtype
Squamous cell carcinoma	65 (54%)
Undifferentiated carcinoma	32 (27%)
Lymphoepithelioma-like carcinoma	9 (7%)
Basaloid Carcinoma	7 (6%)
Mucoepidermoid carcinoma	1 (1%)
Sarcomatoid carcinoma	1 (1%)
Clear cell carcinoma	2 (2%)
Carcinoma w/ neuroendocrine features	4 (3%)
C- kit mutation	3/19 (16%)