Important tumor-associated genes such as CCND1/2, CDK4/6, CDKNA/B, EGFR, FR3/TACC, GLI2, KIA1549, MDM2/4, MET, MGMT, MYB, MYCN, MYBL1, NF1, NF2, PPM1D, PTCH1, PTEN, SMARCB1, TERT, TP53, and RB1 did not show significant gains/amplifications or losses at higher resolution. The gene discussed is PTEN; the disease is neoplasm.