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The quantity of microcystin present in fresh frozen lung cancer tissues. The two LUAD samples that were positive for Cyanobacteria in the FFPE samples showed a presence of microcystin (0.062 and 0.409 ng, respectively) and so were the other LUAD samples (i.e., 0.671 and 0.492 ng). The negative control and one of the LUSC (8CDB) sample did not show detectable amounts of microcystin, while we detected trace amounts of microcystin in LUSC sample 5427.
