However, no significant differences in TMBs were identified (p = 0.32 for lung cancer; p = 0.26 for non‐MLH1‐mutated colorectal cancer; p = 0.68 for gastric cancer; p = 0.42 for renal cancer; p = 0.99 for head–neck cancer; and p = 0.08 for overall cancers). Here, MLH1 is linked to cancer.