Which of the following statement(s) is/are correct concerning prognostic factors for breast carcinoma?
A.	Prognosis is improved with estrogen or progesterone receptor positivity
B.	Increased thymidine labeling index, a measure of the proportion of cells in the DNA synthetic phase (S-phase), is associated with improved survival
C.	High tumor levels of cathepsin D are associated with an improved prognosis
D.	Immunohistochemical demonstration of active angiogenesis correlates with increased metastatic potential and poor prognosis
Answer:A
Which of the following statement(s) is/are correct concerning prognostic factors for breast carcinoma?
A.	Prognosis is improved with estrogen or progesterone receptor positivity B.	Increased thymidine labeling index, a measure of the proportion of cells in the DNA synthetic phase (S-phase), is associated with improved survival C.	High tumor levels of cathepsin D are associated with an improved prognosis D.	Immunohistochemical demonstration of active angiogenesis correlates with increased metastatic potential and poor prognosis