Methods and systems for identifying and treating a patient suspected of having a tumor susceptible to growth inhibition by anti-progestins are provided. The degree of focal distribution of the progesterone receptor can be used to identify tumors susceptible to treatment with anti-progestin therapy.SE PRORPORCIONAN MÉTODOS Y SISTEMAS PARA IDENTIFICAR Y TRATAR UN PACIENTE SOSPECHOSO DE TENER UN TUMOS SUSCEPTIBLE A INHIBICIÓN DE CRECIMIENTO POR ANTI-PROGESTINAS. SE PUEDE USAR EL GRADO DE DISTRIBUCIÓN FOCAL DEL RECEPTOR DE PROGESTERONA PARA IDENTIFICAR TUMORES SUSCEPTIBLES AL TRATAMIENTOCON TERAPIA ANTI-PROGESTINA.