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* Very rare accounting for less than 0.5% of all cancer, except where ''Spirocerca lupi'' is endemic (Africa and South-eastern USA).

Oesophageal neoplasia is very rare accounting for less than 0.5% of all cancer, except where ''Spirocerca lupi'' is endemic (Africa and South-eastern USA). The most frequently reported types of neoplasm are:

* Most frequently reported types of neoplasm:

** Squamous cell carcinoma - usually appears as an annualar thickening in the middle third of the oesophagus, anterior to the heart.

** Squamous cell carcinoma - usually appears as an annualar thickening in the middle third of the oesophagus, anterior to the heart.

** Leiomyosarcoma

** Leiomyosarcoma