You are asked to evaluate a 42-year-old female patient who h…

You are asked to evaluate a 42-year-old female patient who has been hospitalized for the past 5 days.  She underwent an abdominal hysterectomy and subsequently developed an infection and small bowel obstruction in the post-operative period.  She is currently receiving broad spectrum IV antibiotics and is NPO (nothing by mouth).  Additional lab test results are as follows: (Normal ranges in parentheses; abnormal results are in bold type) Admission Day #1 PT 11.8 sec (11.0-13.5) PTT 26.0 sec (25.0-35.0) Plt 248,000 (150,000-400,000) Admission Day #5 PT 16.0 sec (↑) PTT 26.0 sec Plt 252,000 Based on this information, which of the following conditions is the most likely diagnosis for this patient?