Task: Instance Description Understanding (ontology: Sciences/Computer_Science)

Which of the following definitions best describes the instance 'pT3c (kidney)'?

A. A pathologic primary tumor stage for kidney according to AJCC 7th edition indicating that the tumor grossly extends into vena cava above the diaphragm or Invades the wall of the vena cava.
B. A pathologic primary tumor stage for kidney according to AJCC 7th edition indicating that the tumor is more than 7 cm but not more than 10 cm.
C. A pathologic primary tumor stage for kidney according to AJCC 7th edition indicating that the tumor grossly extends into vena cava below diaphragm.
D. A pathologic primary tumor stage for kidney according to AJCC 7th edition indicating that the tumor is 4 cm or less.

Answer: A pathologic primary tumor stage for kidney according to AJCC 7th edition indicating that the tumor grossly extends into vena cava above the diaphragm or Invades the wall of the vena cava.