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. 1999 Nov;35(6):571-4.
doi: 10.1016/s1368-8375(99)00037-8.

Risk of second primary cancer following treatment of squamous cell carcinoma of the lower lip

I G van der Tol  1 , J G de Visscher, A Jovanovic, I van der Waal
Affiliations

Risk of second primary cancer following treatment of squamous cell carcinoma of the lower lip

I G van der Tol et al. Oral Oncol. 1999 Nov.

Abstract

The risk of second primary cancers (excluding skin cancers) was evaluated among 56 patients who underwent treatment for a squamous cell carcinoma of the lower lip. The mean follow-up was 5.5 years. Ten patients (17.8%) developed at least one new primary cancer. The prevalence of second primary cancers within the respiratory and upper digestive tract, and elsewhere in the body, was 19.4 and 12.9 per 1000 person-years of follow-up, respectively. Patients were at risk for a second primary cancer at a steady rate of 2.7% per year during at least 5 years.

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