CORRECT Answers
TNM classification (T: tumor) The T refers to the size and extent of the main tumor. The main tumor is usually
called the primary tumor
TNM classification (N: lymph nodes) The N refers to the number of nearby lymph nodes that have cancer
TNM classification (M; metastasis) The M refers to whether the cancer has metastasized. This means that the cancer
has spread from the primary tumor to other parts of the body.
TX Main tumor cannot be measured
T0 Main tumor cannot be found
T1,T2,T3,T4 refers to the size and/or extent of the main tumor. The higher the number after
the T, the larger the tumor or the more it has grown into nearby tissues. T's may
be further divided to provide more detail, such as T3a and T3b
NX Cancer in nearby lymph nodes cannot be measured
N0 There is no cancer in nearby lymph nodes
N1,N2,N3 Refers to the number and location of lymph nodes that contain cancer. The
higher the number after the N, the more lymph nodes that contain cancer.
MX Metastasis cannot be measured
M0 Cancer has not spread to other parts of the body