I. Explore efficacy in patients whose tumors have an alteration (mutation or amplification) of the PIK3CA gene and decrease of phosphatase and tensin homolog gene (PTEN) expression. (Optional) II. Examine other v-akt murine thymoma viral oncogene homolog 1 (Akt)/mechanistic target of rapamycin (mTOR) downstream markers by immunohistochemistry. (Optional)