My reading is that they believe it works across all solid malignant tumors because malignant tumors necessarily upregulate PCNA (since it's critical to cell div

My reading is that they believe it works across all solid malignant tumors because malignant tumors necessarily upregulate PCNA (since it's critical to cell division). I think they are also saying that it is agnostic to the particular mutations that upregulated PCNA.