Limitations with Other Radiotherapy Approaches:
Increased Dose of Radiation
IIt difficult to deliver a large enough radiation dose to a lung cancer to completely exterminate it, even using contemporary sophisticated treatment techniques, without also risking serious injury to a critical adjacent structure such as normal lung, bronchus, heart, spinal cord or esophagus. If there were a method of safely intensifying the radiation dose without increasing the risk of injury to adjacent tissues, the treatment would become more effective (8). |
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Example of large margin around cancer with
conventional radiation
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