[When Callaghan tells Baymax that he needs a minute, the robot nods and patiently waits for the microbots to withdraw. As soon as the lasst one leaves his body and he's completely free, he takes several slow, deliberate steps backwards to give Callaghan more space and to show him that he's willing to wait or do whatever else he needs. Right now, his only concern is his well-being.

As Hiro speaks to him, Baymax slowly waddles around to face him. There's a single slow blink as he sorts the data he's gathered from Callaghan.]

There is not much I am able to do for his leg, it should have had medical attention as soon as he was wounded. As such, the injury may have worsened. There are several treatments that can aid in the healing of crush injuries and gangrene, however, most of them need a medical professional.

Because of the severity of the injury and the fact that it has been this way for an extended period of time, amputation of the lower part of the leg may be necessary.

[This wasn't a diagnosis that he wanted to give, losing limbs is a traumatic experience for patients. However, he'd much rather a limb be lost than a life.]