Upon targeted deep sequencing, the mutations in the upper lobe tumor involved NF1, NRAS, ARID2, NFE2L2, EP300 and KMT2D, while the mutations in the middle/lower lobe tumor involved SMARCA4, TP53, FOXP2, RIT1 and MGA (Table 2 and Figure 1). This evidence concerns the gene ARID2 and neoplasm.