Changes

*#* Generally has a central erosion/ulceration of the tumour tissue.  

*#* Generally has a central erosion/ulceration of the tumour tissue.  

*#** Distinguishable from  a peptic ulcer as the edges of the eroded area are raised and thickened (tumour tissue).  

*#** Distinguishable from  a peptic ulcer as the edges of the eroded area are raised and thickened (tumour tissue).  

* The external appearance of an affected [[Forestomach - Anatomy & Physiology|stomach]] can include thickening of the draining lymphoid vessels due to tumour infiltration ('cording of the lymphatics') and evidence of a scirrhous reaction to the carcinoma.

* The external appearance of an affected [[Monogastric Stomach - Anatomy & Physiology|stomach]] can include thickening of the draining lymphoid vessels due to tumour infiltration ('cording of the lymphatics') and evidence of a scirrhous reaction to the carcinoma.

* Adenocarcinomas are locally aggressive and spread via the lymphatics to the [[Lymph Nodes - Anatomy & Physiology|lymph nodes]], lung, [[Liver - Anatomy & Physiology|liver]] and [[Adrenal Glands - Anatomy & Physiology|adrenal glands]].

* Adenocarcinomas are locally aggressive and spread via the lymphatics to the [[Lymph Nodes - Anatomy & Physiology|lymph nodes]], lung, [[Liver - Anatomy & Physiology|liver]] and [[Adrenal Glands - Anatomy & Physiology|adrenal glands]].