**4. Conclusions**

Molecular sonography has great potential as a means to detect early stages of a variety of cancers as well as a means to evaluate tumor response. It is anticipated that more widespread clinical use will occur in the next few years once these microbubbles become more readily available.

### **Acknowledgements**

Dr. Andrej Lyshchik is thanked for his original work in this topic.

### **Conflict of interest**

The authors declare no conflicts of interest.

*Ultrasound Imaging - Current Topics*
