Results: The most common functional symptom is hoarseness with 96, 1%; Patients diagnosed less than 6 months after having the first symptoms were 84, 7%; Cancer starting from the glottis accounted for the highest rate of 94, 3%; cancerous lesions are localized in a single layer of the larynx, accounting for 53%, mainly in the glottis (49, 6%); Patients were diagnosed at early stage T1, T2 with the rate of 87, 2%; Patients with no regional lymph node metastasis accounted for the highest rate of 98, 1%.