An Abdominal mass

A 65-year-old woman who is A Rh D Positive reported to the Korle-Bu Teaching Hospital with an abdominal mass. Laboratory and other investigations were done. Blood cultures were positive for Gram-negative bacilli. Her sample was sent to the blood bank for grouping and crossmatching for urgent transfusion. Below are her blood grouping results:

Anti-A Anti-B Anti-A,B Anti-D A1 Cells B Cells O Cells
3+ 1+ 2+ 3+ 0 4+ 0

I. Comment on the results.
II. What are the possible causes of this results?
III. Which blood group will you issue for transfusion and why?