Transactions of the American Association of Obstetricians, Gynecologists, and Abdominal Surgeons for the year ... . 125 25. 50 production of an autogenous vaccine or antibody, a preradiation re-moval of cancer cells would not be advisable. The raytherapeutistalso must prevent a too extensive destruction of normal and malignanttissues, and an insufficient modification or degeneration of malignantcells. If the treatment is too radical, antibodies, necessary for thecomplete removal of all cancer cells, are not produced. If too small,the a
Transactions of the American Association of Obstetricians, Gynecologists, and Abdominal Surgeons for the year ... . 125 25. 50 production of an autogenous vaccine or antibody, a preradiation re-moval of cancer cells would not be advisable. The raytherapeutistalso must prevent a too extensive destruction of normal and malignanttissues, and an insufficient modification or degeneration of malignantcells. If the treatment is too radical, antibodies, necessary for thecomplete removal of all cancer cells, are not produced. If too small,the action may arrest the growth for the time, but recurrences mustbe expected. From April, 1914, to December 31, 1919, 168 cases of cancer of theuterus were treated with radiation. Some were preceded by surgicalprocedures such as hysterectomy or cauterization, and in others radia-tion was followed by hysterectomy. However, since 1918 radiationswere used exclusively. We also must state that the technic of appli-cation of rays underwent a continuous evolution until the last two TREATMENT OF CANCER OF THE UTERUS 335. 336 HEXRY SCHMITZ years when a technic had been evolved which has been described inthis paper. AVe feel that with the development of larger Coolidgetubes, which will stand higher voltages, and of transformers, whichwill furnish voltages up to , we will overcome the difficultiesthat exist in patients having a greater anteroposterior diameter than18 cm. Table IV shows the number treated each year, also the number sur-viving today, and the number of those that have died or did not the table it is seen that in Group I, of a total of seven patientstreated, five are living and well, , per cent. In Group II, ofeleven patients, six are alive and well. per cent. In GroupIII. of sixty-eight patients, nineteen are alive and well, , percent. In Group IV, of thirty-six patients, one is alive, , percent. In Group V, of forty-six p
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