A mystery solved.

The article presents a case study of a 58-year-old man who is experiencing a difficulty of finishing a round of golf due to an abnormal sensation around his abdomen and weakness of his legs. It says that the patient has showed an evidence of cerebral lymphoma five months after presenting with acute confusion and drowsiness. It adds that five cycles of rituximab, cyclophosphamide, doxorubicin, vincristine and prednisolone (R-CHOP) chemotherapy was received by the patient.