Sebastien Haller vows to 'come back stronger' after testicular tumour diagnosis

Borussia Dortmund striker Sebastien Haller has thanked his well-wishers after being diagnosed with a testicular tumour.

The Ivorian, 28, left the team's pre-season training camp in Switzerland on Monday after the discovery of the tumour following a medical examination.

Haller said on Twitter: “Thank you all for your many messages of support and affection since yesterday’s announcement. My family and I thank you. I will now focus on my recovery to come back stronger.”

Further tests are scheduled to take place in a specialist medical facility over the coming days, the German club said.

Merci à tous pour vos nombreux messages de soutien et d’affection depuis l’annonce d’hier.Ma famille et moi même vous remercions. Je vais maintenant me concentrer sur mon rétablissement pour revenir plus fort