Cause they don't have stains down there. We need a substitute.
We can't biopsy.
PRobably, but we can't confirm it without a biopsy. You can't analyse a biopsy without a stain.
PRobably, but we can't confirm it without a biopsy. You can't analyse a biopsy without a stain. [SEP] We can't biopsy. [SEP] Cause they don't have stains down there. We need a substitute.