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Table 2 Endoscopic findings and clinical courses of the patients (n = 17) and lesions (n = 20) described in Table 1

From: Natural history of superficial head and neck squamous cell carcinoma under scheduled follow-up endoscopic observation with narrow band imaging: retrospective cohort study

Endoscopic follow-up period, median (range), month 20 (6–71)
Change of lesion size, n (%)
 Progression 17 (85)
 Non-Progression 3 (15)
Treatment for HNSCC, n (%) 8 (40)
 Endoscopic resection 6 (30)
 Surgical resection 1 (5)
 Chemoradiotherapy 1 (5)
Death, n (%) 5 (29)
 Due to progression of superficial HNSCC 0 (0)
  1. HNSCC head and neck squamous cell carcinoma