Table 2. Histological types.

Histological type	(N = 154)
Adenocarcinoma in situ	7
Minimally invasive adenocarcinoma	11
Adenocarcinoma - predominantly lepidic	11
Adenocarcinoma - predominantly papillary	10
Adenocarcinoma - predominantly micropapillary	4
Adenocarcinoma - predominantly acinar	22
Adenocarcinoma - invasive mucinous pattern	6
Adenocarcinoma - enteral pattern	3
Adenocarcinoma - solid pattern	2
Invasive adenocarcinoma (subtype not reported)	49
Adenosquamous carcinoma	1
Typical carcinoid tumor	11
Atypical carcinoid tumor	3
Epidermoid carcinoma	14