TEK and cancer: The level of Tie2 tyrosine phosphorylation in the erythrocyte membrane was significantly decreased in cancer patients after surgery with a relative change − 23.2 ± 21.2% (paired-sample t test, p = 0.0072; Shapiro-Wilk test, p = 0.5501; Kolmogorov-Smirnov test, p > 0.1500) (Fig. 3).