2719
We describe longitudinal diffusion-weighted MRI findings of sub-acute leukoencephalopathy following methotrexate therapy in a 24-year-old man diagnosed with pre-B-cell acute lymphoblastic leukemia (ALL), presenting with right-sided paralysis and aphasia after second consolidation with intrathecal triple-drug therapy given intrathecally.
 adverse event: following 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: following 