You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Point A and point B Manchester location are important for treatment of which cancer – and explain in detail?
Radiotherapy in Ca cervix

External beam via cobalt or linear accelerator and brachytherapy (e.g. radium, cobalt or cesium) are used in treatment of carcinoma cervix.
The radiation dose is calculated with respect to the amount of irradiation received at 2 theoretical points, A & B.