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Specification Sheet (Sortable), tissue IDs are available in exported Excel files.
The American Joint Committee on Cancer (AJCC) TNM system
TX: Primary tumor cannot be assessed
T0: No evidence of primary tumor
T1: A single tumor (any size) that hasn't grown into blood vessels
T2: Either a single tumor (any size) that has grown into blood vessels, OR more than one tumor where no tumor is larger than 5 cm (about 2 inches) across
T3a: Multiple tumors with at least one tumor that is greater than 5 cm (about 2 inches) across
T3b: At least one tumor (any size) that has grown into a major branch of the large veins of the liver (the portal and hepatic veins)
T4: The tumor has grown into a nearby organ (other than the gallbladder), OR the tumor is growing into the thin layer of tissue covering the liver (called the visceral peritoneum)
NX: Regional (nearby) lymph nodes cannot be assessed.
N0: The cancer has not spread to the regional lymph nodes.
N1: The cancer has spread to the regional lymph nodes.
M0: The cancer has not spread to distant lymph nodes or other organs.
M1: The cancer has spread to distant lymph nodes or other organs.