ALK and lung cancer: Other less common rearrangements detected in lung cancer patients include KIF5B-ALK (kinesin family member 5B-ALK), TFG (trafficking from ER to golgi regulator)-ALK, KLC1 (kinesin light chain-1)-ALK, PTPN3 (protein tyrosine phosphatase non-receptor type 3)-ALK, STRN (striatin)-ALK [4].