The first step is to make the mold. Then they take the stem cells from the organ they are trying to grow. When cells are isolated they start to grow in the form of the mold. And by the end only the organ is left because the mold had deteriated. From this point the organ can be transplanted.
Cons:
- unethical issurs
- may take more time than the patient has (about 6-8 weeks)
- expensive