There is a unique group of tumors, called 'mixed tumors', which can arise from the seminal vesicles; as the name implies, these are composed of a mixture of epithelial and stromal elements.
Topline data were announced from a phase 3 trial evaluating Keytruda plus Lenvima with chemotherapy in advanced gastroesophageal cancer.
The presence of teratoma in mixed tumors appeared to ameliorate the course of these more malignant elements. Of the total series 20 per cent were embryonal-cell carcinomas, 5 per cent of which ...