<prompt> Most common type of oesophageal cancer is:Squamous cell carcinomaAdenocarcinomaAdenoid cystic carcinomaMucoepidermoid carcinoma  <response>: Approximately 90 of oesophageal cancers are squamous cell type and the remaining adenocarcinomas, adenoid cystic carcinoma, lymphomas and others.Risk factors for oesophageal cancer are:i . Alcohol and tobacco abuseii . Achalasia cardiaiii . Plummer-Vinson syndromeiv . Tylosis palmar and plantar keratodermav . Chronic stricturevi . Barretts oesophagus. 