Complex cancer treatments like bispecific antibodies (BsAbs) and chimeric antigen receptor (CAR) T-cell therapy are associated with equally complex side effects and complications. When patients experience signs and symptoms back home away from their dedicated cancer care team, how should they seek intervention? Should they go to the emergency room? The local urgent care facility? Call 9-1-1? And, if they do any of those things, will the healthcare providers in those settings know how to care for them?