542 



THE DIGESTIVE SYSTEM. 



muscular coat, but may gradually separate themselves from it and pro- 

 ject inward or outward. The submucous myomata are at first small 



FIG. 314. SMALL PAPILLARY ADENOMA OF THE STOMACH. 



This is confined to the mucous membrane, forming a small polypoid growth into the cavity. Enlarged about 



five diameters. 



tumors lying loosely attached in the submucous tissue. As they grow 

 larger they push the mucous membrane inward and take the shape of 



FIG. 315. FIBROMA IN THE WALL OF THE STOMACH OF A CHILD. 

 There were several of these small tumors in the wall of the stomach. 



polypoid tumors. Lymphomata in the wall of the stomach are seen iu 

 some cases of leukaemia. 



Sarcomata of the stomach are rare. In some of the tumors of the wall 

 of the stomach, which are ordinarily called cancerous, the structure is 



