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. 2021 Mar 11;16(3):846–853. doi: 10.1016/j.jds.2021.02.009

Table 3.

The number and frequencies of patients with one, two or three positivities of serum tumor markers including carcinoembryonic antigen (CEA ≥ 3 ng/mL), squamous cell carcinoma antigen (SCC–Ag ≥ 2 ng/mL), and ferritin (≥250 ng/mL) in 41 patients with oral submucous fibrosis (OSF).

Positivity for serum tumor marker Patient number (%)
OSF patients (n = 41)
CEA + SCC-Ag + ferritin 2 (4.9)
CEA + SCC-Ag 2 (4.9)
CEA + ferritin 5 (12.2)
SCC-Ag + ferritin 0 (0.0)
CEA only 7 (17.1)
SCC-Ag only 4 (9.8)
Ferritin only 15 (36.6)



none 6 (14.6)