Advantages:
- reduction of set-up error and of volume of healthy tissues in PTV
- real-time tumor tracking significantly reduces volume of lung and liver irradiated because of breathing motion
- change of shape and volume of tumor and healthy tissues can be measured and corrections applied
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-geometric precision increases and thus early and late effects caused by radiation should decrease
Disadvantages:
- there is no single technology or strategy of every clinical scenario
- increase in precision of delivery of dose increases also the importance of tumor detection and delineation errors
