Benign tumors:
fibroadenomas, polyps of the colon, lipomas
CARCINOMAS:
- Malignant tumors of epithelial cells
- well differentiated, moderately differentiated, poorly differentiated
- Squamous carcinomas
- Adeno-carcinomas
- alveolar
- papillary
- tubular
- (anaplastic, undifferentiated, large cell, small cell)
- (hepatocellular carcinoma, cholangiocarcinoma