PTEN p.Asp162Glu, p.Phe21fs, and PTEN 1027‐1G > T mutations were found in three right‐sided and one left‐sided tumour, and PIK3CA p.Gln546Lys and p.Gln546Glu mutations in two left‐sided tumours. The gene discussed is PTEN; the disease is neoplasm.