BAG4 and non-small cell lung carcinoma: For instance, ALK rearrangement involving ATPase H + transporting V1 subunit B1 (ATP6V1B1) [34] and Bcl-2-associated athanogene 4 (BAG4)-fibroblast growth factor receptor 1 (FGFR1) fusion [35] were detected in NSCLC.