 This, on occasion, affected his work; while at Porto, for example, Robson suffered from malignant melanoma, which resulted in his missing the first few months of the 1995–96 season.On 17 October 2006, it was revealed that Robson had been given the all-clear and was set to see out his contract as consultant to the Irish team.Robson revealed on 7 May 2007 he had been diagnosed with cancer for the fifth time.