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Table 1 Previoous reported cases of primary ESOS in gasatrointestinal tract

From: Anal extraskeletal osteosarcoma in a man: a case report and review of the literature

Author (Year) Reference numberAnatomic siteAge (year)Gender
McIntyre et al. (1982) [10]Esophagus70M
Erra et al. (2010) [9]Esophagus74M
Nojima et al. (1986) [13]Jejunum23M
Shimazu et al. (2001) [11]Transverse colon53F
Iannaci et al. (2013) [12]Rectum81F
Current caseAnal canal70M
  1. F female, M male