− | Squamous cell carcinoma is the most common tumor of the equine stomach.<ref name="Olsen">Olsen, S.N (1992) Squamous-cell carcinoma of the equine stomach: a report of 5 cases. ''Vet Rec'', 131:170-173. In: Zimmel, D.N (2010) ''Neoplasia of the Alimentary Tract'' in Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), ''Saunders'', Chapter 15.</ref>. It can affect the cardia and upper squamous regions of the stomach, resulting in a persistent mild [[Colic Diagnosis - Clinical Signs|colic]], commonly seen soon after feeding. The tumor can invade and metastasize to lymph nodes, the lungs and regions palpable on [[Colic Diagnosis - Rectal Examination|rectal examination]].<ref name="Olsen">Olsen, S.N (1992) Squamous-cell carcinoma of the equine stomach: a report of 5 cases. ''Vet Rec'', 131:170-173. In: Zimmel, D.N (2010) ''Neoplasia of the Alimentary Tract'' in Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), ''Saunders'', Chapter 15.</ref> | + | Squamous cell carcinoma is the most common tumor of the equine stomach.<ref name="Olsen">Olsen, S.N (1992) Squamous-cell carcinoma of the equine stomach: a report of 5 cases. ''Vet Rec'', 131:170-173. In: Zimmel, D.N (2010) ''Neoplasia of the Alimentary Tract'' in Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), ''Saunders'', Chapter 15.</ref> It can affect the cardia and upper squamous regions of the stomach, resulting in a persistent mild [[Colic Diagnosis - Clinical Signs|colic]], commonly seen soon after feeding. The tumor can invade and metastasize to lymph nodes, the lungs and regions palpable on [[Colic Diagnosis - Rectal Examination|rectal examination]].<ref name="Olsen">Olsen, S.N (1992) Squamous-cell carcinoma of the equine stomach: a report of 5 cases. ''Vet Rec'', 131:170-173. In: Zimmel, D.N (2010) ''Neoplasia of the Alimentary Tract'' in Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), ''Saunders'', Chapter 15.</ref> |