A Unique Condition
A uncommon type of cancer called neuroblastoma mainly strikes young children under the age of five. For those with the condition, like Trucker, there is no cure. But this is treatable, which is why Trucker travels to New York City.
Cancer At Stage 4
The reason Sarah and Trucker were departing New York City puzzled the captain and his crew. The family decided that they would prefer to be together given that the trucker was in stage four. They have no further options for helping Trucker.