From: Survival analysis of Sudanese oral squamous cell carcinoma patients with field of cancerization
 | Frequency (%) |
---|---|
Ulcer | 93 (100%) |
Swelling | 18 (19.4%) |
Ulcers associated with different mucosal changes | 83 (89.2%) |
Ulcers associated with by erythematous patches | 44 (47.3%) |
Pain or numbness | 22 (23.7%) |