LCK and cancer: The high LCK protein levels were associated with unfavorable prognosis in the cancer types of MESO, PCPG, BRCA, PRAD, BLCA, and THCA, while the favorable associations were found in the cancer types of READ, OV, SARC, STAD, PAAD, TGCT, HNSC, LUSC, and UCEC.