1. NEOPLASIA OF DIGESTIVE SYSTEM .
DR. HANA OMER

2. Neoplasia of digestive system
normal histology of colon

3. Adenocarcinoma of colon

4. micrograph of a tubular adenoma, the most common type of dysplastic polyp in the colon.

5. Normal histology of lymph node

6. Neoplasia of lymph node
Clumped chromatin .
Irregular nuclear profile, with nuclear folds or "cleavages"

7. Neoplasia of lymph node

8. cancer can appear in the lymph nodes in two ways: it can either start there or it can spread there from somewhere else.
cancer that starts in the lymph nodes is called lymphoma.
called hodgkin disease and non-hodgkin lymphoma.