values for standard drugs in all tumor samples investigated divided for the subtypes indicated. Results are presented as mean values + SE. Number of samples investigated for each drug and type of sample is indicated on the x-axis labeling. Statistical interference was calculated with one-way ANOVA with Dunnet’s post-test and with the colorectal cancer samples as reference. Abbeviations: MNC, mononuclear cells; CLL, chronic lymphocytic leukemia; Ovarian, ovarian cancer; Gastric, gastric cancer; Colorectal, colorectal cancer.*P < 0.05; ***P < 0.001; NS, not statistically significant.