"He's already gone through several of these, but like with all little kids with the anesthesia mask, he's smiling for a few moments, then he freaks out and cries and then settles down," said Rosen. "He's a really sweet kid."
Rohit's prognosis is "excellent," according to Rosen, and the boy is already beginning to be free from pain and has a functional hand. "You can see his hand and fingers."
Sadly, Uncle Kumar, one of the heroes in Rohit's story, was unable to come to New York City for the final treatment because of family issues in Pakistan, but in his stead was his son, Pawan Kumar, 22, who also speaks English and works as a hotel manager in Texas.
With the mother's visa now secured, both of Rohit's parents also were there.
"It was very emotional for them," Pawan Kumar said. "He said he was really missing his mom.
"Dr. Rosen in an angel for us," Kumar said. "He is the best guy, and this is like a dream come true.
"If God gives us this problem, God gives us a solution," Kumar said. "He gave these doctors to us."