![](http://radiopharmacy.de/wp-content/uploads/2017/07/Control-of-cancer-therapy-by-PET-300x176.png)
The image shows the strategy of applying PET in cancer therapy.
The PET method provides a stategy to a direct control of therapy on-going in the patients. After three weeks PET is repeated and may show success of therapy in case of a responder. If no effect is seen, therapy is stopped and strategy of treatment is changed.
Read more about this in the book (chapter 4.1).