A number of clinical factors have been noted to decrease sensitivity of tumors to the effects of ionizing radiation. Which of the following is most important in this regard?
A. Increased tissue vascularity
B. High tumor mitotic rate
C. Tissue hypoxia
D. Subcutaneous tumor location
Answer:C
A number of clinical factors have been noted to decrease sensitivity of tumors to the effects of ionizing radiation. Which of the following is most important in this regard?
A. Increased tissue vascularity B. High tumor mitotic rate C. Tissue hypoxia D. Subcutaneous tumor location