Is aBCG2 expression an independent unfavorable prognostic factor in esophageal squamous cell carcinoma?
The absolute presence of ABCG2-positive cells in the tumor is a single independent prognostic factor, suggesting the underlying roles in malignant characteristics of ESCC other than drug resistance.
We conclude that, although the averages obtained in several analyzed parameters were within normal limits, the ABR results from the patients with and without tinnitus and normal hearing are different, suggesting that ABR might contribute to the workup of these patients. Our data show that there are changes in the central pathways in the study group. The meaning of these changes must be further investigated.