Final answer:
Krukenberg tumor is a rare type of cancer where tumor cells from a signet-cell adenocarcinoma of the stomach spread to the ovaries. Treatment involves surgery, chemotherapy, and hormone therapy.
Step-by-step explanation:
Krukenberg tumor is a type of tumor that originates from a signet-cell adenocarcinoma of the stomach and then metastasizes to the ovaries. It is a rare form of cancer that typically affects middle-aged women. The tumor cells are characterized by their appearance under the microscope, where they contain abundant mucin and have a signet-ring shape. Treatment usually involves surgery, chemotherapy, and hormone therapy.