Sebastien Haller diagnosed with testicular tumor; Borussia Dortmund striker leaves training camp
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The Borussia Dortmund forward Sebastien Haller has a testicular tumor and has left Dortmund's preseason training camp in Switzerland. The striker felt unwell at training on Monday. Further medical tests revealed that he has a tumor. Haller is returning to Germany for further examinations. Sebastien Haller, the 28 years old Borussia Dortmund Striker has left training camp because medical examinations have revealed that he has a testicular tumor.