SOX30 and leukoencephalopathy with calcifications and cysts: To determine the expression level of SOX30 in tumor tissues of different NSCLC histological types, we probed SOX30 expression using immunohistochemistry (IHC) in lung tumor tissues of 540 NSCLC patients including 275 ADC, 231 SCC and 34 LCC on tissue microarrays.