sentences:  Somatic mutations and epigenetic changes in the expression of the "FGFR1" gene occur in and are thought to contribute to various types of lung, breast, hematological, and other types of cancers.Amplification of the "FGFR1" gene (four or more copies) is present in 9 to 22% of patients with non-small-cell lung carcinoma (NSCLC).