Overview

• The club announced the diagnosis on Monday, two days after the league match in Bochum.
• Düsseldorf said Hettwer will undergo surgery soon and did not provide a recovery timeline.
• Hettwer had entered the game about 15 minutes before full time, replacing Valgeir Lunddal.
• The away fixture ended 1:0 for Düsseldorf.
• The confirmation was distributed via the club statement and reported by national outlets including dpa, Die Zeit and Stern.