Racing PositionsMarco Russ returns after cancer all-clear1YStephan UersfeldRuss back training after overcoming cancer1YStephan UersfeldRuss given all-clear after cancer treatment1YStephan UersfeldFrankfurt extend cancer-patient Russ' contract1YAssociated PressRuss vows to return after cancer battle1YStephan UersfeldFrankfurt's Russ has surgery after tumour diagnosis1YFrankfurt's Marco Russ has house raided1YStephan UersfeldFrankfurt captain to play despite tumour1YStephan Uersfeld