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

Which of the following definitions best describes the instance 'pM1 (kidney)'?

A. MathWorks (the instance and SWO 9000002), SWO 9000002 was retained, whileSWO 0000291 became an instance of obsolete class. Please use SWO 9000002 instead.
B. A pathologic distant metastases stage for kidney according to AJCC 7th edition indicating that there is no distant metastasis.
C. A pathologic distant metastases stage for kidney according to AJCC 7th edition indicating that there are distant metastases based on clinical assessment.
D. A pathologic distant metastases stage for kidney according to AJCC 7th edition indicating that there is a distant metastases that is histologically confirmed.

Answer: A pathologic distant metastases stage for kidney according to AJCC 7th edition indicating that there is a distant metastases that is histologically confirmed.