MONDO_0006478 (undifferentiated pancreatic carcinoma) is a carcinoma with poor prognosis that arises from the pancreas. It is characterized by the presence of a significant malignant component that does not show differentiation. The malignant cells represent a mixture of large, pleomorphic cells and giant cells, or adenocarcinoma cells and spindle cells, or spindle cells. Also known as: pancreas undifferentiated carcinoma, pancreatic carcinosarcoma, pleomorphic large cell pancreatic carcinoma, sarcomatoid pancreatic carcinoma, spindle cell pancreatic carcinoma, undifferentiated (anaplastic) pancreatic carcinoma, undifferentiated carcinoma of pancreas, undifferentiated carcinoma of the pancreas.