Abiopsy reveals that a woman who has had breast cancer now has cancer in her bones. the process of cancer spreading from one organ or body area to others is:

The process of cancer spreading from one organ or body area to others is Metastasis.

Explanation:

The cancer cells can separate from its original spot and travel through the body using blood and the lymphatic system, that's how these cells can locate in other organs an tissues than the original.

For that reason a person who has cancer needs to be treated as soon as possible, cancer spreads really fast, the carcinogenic cells can locate almost all over the body and certainly that's something that you don't want.

Not only humans but other animals, specially mammals like cats and dogs can experience cancer, that's why we need to take so much care of our pets.

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.