Thoracic Intramedullary Mass Causing Neurologic Weakness

An 87-year-old man with a past medical history of hyperlipidemia, hypertension, benign prostatic hyperplasia, chronic obstructive pulmonary disease, low-grade right urothelial carcinoma status post biopsy two years prior, and atrial fibrillation status post prior cardioversion six years earlier not on anticoagulation presented to the emergency room reporting one month of right lower extremity weakness, progressing to an inability to ambulate. He also reported severe right groin pain and increasing urinary obstruction.