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He said the cancer, while "incredibly rare", is treatable and he is expected to make a full recovery after treatment which will involve complex abdominal surgery and chemotherapy.

Cysts are common and can often be harmless and cause little to no discomfort, but larger cysts can bring about symptoms including pelvic pain, abdominal pressure and bloating, according to the Mayo Clinic.

Forest said Awoniyi is "recovering well" after surgery on an abdominal injury.

Tunstall, 47, suffered significant back and abdominal injuries in the crash, which was later confirmed to include a broken bone in his neck, and he was transferred to the Royal Stoke Hospital.

Tunstall, 47, is in hospital with "significant back and abdominal injuries" while five riders suffered minor injuries and the other three were not injured.