Figure 4.
Prognostic factors. (A) Lymph node status of 79 patients who were preoperatively diagnosed with non-cancerous lesions and postoperatively diagnosed with cancer. 16 (20.25%) had positive lymph nodes, and 63 (79.75%) had negative lymph nodes. (B) Pathological staging of the tumors: 38 (48.10%), 25 (31.65%), and 16 (20.25%) patients with stages I, II, and III disease, respectively. LN, lymph node.
