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

Which of the following definitions best describes the instance 'pT1b (ovary)'?

A. A pathologic primary tumor stage for ovary according to AJCC 7th edition indicating that the tumor is limited to both ovaries; capsule intact, no tumor on ovarian surface and no malignant cells in ascites or peritoneal washings.
B. A pathologic primary tumor stage for ovary according to AJCC 7th edition indicating that there is no evidence of primary tumor.
C. A pathologic primary tumor stage for ovary according to AJCC 7th edition indicating that the tumor is limited to the ovaries (one or both).
D. A pathologic primary tumor stage for ovary according to AJCC 7th edition indicating that the tumor has pelvic extension with malignant cells in ascites or peritoneal washings.

Answer: A pathologic primary tumor stage for ovary according to AJCC 7th edition indicating that the tumor is limited to both ovaries; capsule intact, no tumor on ovarian surface and no malignant cells in ascites or peritoneal washings.