Violation

Prognosis for a patient with oral squamous cell carcinoma depends upon which of the following factors? 1. Size of the tumor. 2. Location of the tumor. 3. Lymph node involvement. 4. Symptoms.

(1) (2) (3)

(1) and (3)

(2) and (4)

(4) only

All of the above

Please describe the matter of abuse