Prognostic Implication of Predominant Histologic Subtypes of Lymph Node Metastases in Surgically Resected Lung Adenocarcinoma

Table 1

Patients characteristics.

Characteristics
Gender
Female/male	12/12
Age
Median (range)	62.5 (49–82)
Smoking status
Ever/never	15/9
Tumor size
T1/T2–4	13/11
Lymph node status
N1/N2	10/14
Predominant subtype in primary tumor
Papillary/acinar/solid	9/11/4