A Client's Tumor Was Staged Using the TNM System

A client's tumor was staged using the TNM system. The tumor was staged as T4,N1,Mx. The nurse realizes that this staging means:

A) tumor in situ, minimal node involvement, no presence of metastasis.
B) large tumor, no node involvement, presence of metastasis.
C) medium tumor, multiple nodes involvement, no presence of metastasis.
D) large tumor, single node involvement, unable to assess metastasis.