Table 1 Patient characteristics
Patients (n = 79) | |
|---|---|
Age (median, range) | 59 (44–79) |
Gender (male/female) | 71/8 |
Histological grade (1/2/3) | 16/57/6 |
Depth of tumor invasion (Tis/T1/T2/T3) | 10/35/7/27 |
Lymph node metastases (+) | 46 (58 %) |
Lymphatic invasion (+) | 58 (73 %) |
Vessel invasion (+) | 35 (44 %) |
Adjuvant therapy (none/chemotherapy/chemoradiotherapy) | 62/16/1 |
Initial recurrence after surgery (none/lymph node/distant organ/both lymph node and distant organ) | 45/14/10/10 |