However, the presence of an EML4-ALK fusion gene in other lung cancer histologies is an extremely rare phenomenon.     ///    An extremely rare case of small-cell lung cancer harboring variant 2 of the EML4-ALK fusion gene..     ///    "Surprisingly, the tumor was genetically considered to harbor the EML4-ALK fusion gene (variant 2). "    ///    "However, the presence of an EML4-ALK fusion gene in other lung cancer histologies is an extremely rare phenomenon."    ///    "Our analysis of 30 consecutive patients with SCLC for EML4-ALK revealed that two patients, including the current patient and a patient we previously reported, harbored the EML4-ALK fusion gene. "    ///    "Our analysis of 30 consecutive patients with SCLC for EML4-ALK revealed that two patients, including the current patient and a patient we previously reported, harbored the EML4-ALK fusion gene."