Which among the following is the least common symptom of Wilms tumour?

After neuroblastoma, Wilms tumor is the second most common abdominal tumor in children. Symptoms consist of abdominal enlargement in 60%; pain in 20%; hematuria in 15%; malaise, weakness, anorexia, and weight loss in 10%; and fever in 3%. Hypeension is noted in over half of patients. Ref: Albanese C.T., Sylvester K.G. (2010). Chapter 43. Pediatric Surgery. In G.M. Dohey (Ed), CURRENT Diagnosis & Treatment: Surgery, 13e.