Again, if tumors were under dosed, no safety conclusions can be drawn. Try selling FDA otherwise and find out the hard way. Efficacy dose and safety go hand in hand. Moreover, FDA already made clear they expected dosing to be worked out before they would authorize human trials.
Supposedly we're close to 90 days post treatment and all MK has revealed is a 30 day anecdote about one patient. Surely he knows more now. Have all the treated tumors died or not? Why is he silent? Is he hiding bad news again? We know he's done that before, multiple times.