sentences:  About 1% of patients with other types of lung cancer show amplifications in FGFR1.Amplification of "FGFR1" also occurs in ~10% of estrogen receptor positive breast cancers, particularly of the luminal subtype B form of breast cancer.The presence of "FGFR1" amplification has been correlated with resistance to hormone blocking therapy and found to be a poor prognostic factor in the disease.