839
Conversely, diffuse interstitial pulmonary fibrosis should be considered in the differential diagnosis of patients receiving methotrexate who develop bilateral pulmonary infiltrates seen on chest roentgenograms.
 adverse event: develop 
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: develop 