Having her bow out either voluntarily or involuntarily this close to the election would be a brilliant political move.
Trump supporters should be holding prayer vigils for her health as any replacement this late in the campaign is going to look 1000x better...
I am not alone in saying that I think Hillary was always there to take the arrows and then drop out just in time for a white knight candidate who would look saintly by comparison. Biden, Michelle O are who I can picture in that role.