Comparison of Apixaban Versus Enoxaparin

Inclusion Criteria: 1. Provision of signed and dated informed consent form 2. Stated willingness to comply with all study procedures and availability for the duration of the study 3. Able to communicate in English over the phone 4. Male or female, age \>18 years 5. Diagnosed with biopsy-proven, urothelial cell carcinoma (any T stage, N0-1, M0) with plan for radical cystectomy with urinary diversion and concurrent pelvic lymph node dissection as treatment Exclusion Criteria: 1. Preoperative use of a therapeutic dose of anticoagulant (this notably does not exclude patients taking antiplatelet agents) 2. Failure to undergo radical cystectomy with concurrent urinary diversion and pelvic lymph node dissection 3. Failure to be discharged by post-operative day 14 4. Failure to receive a script for enoxaparin or apixaban. 5. Any medical condition which precludes treatment with either enoxaparin or apixaban (including dialysis, hemophilia or any other bleeding diathesis)