IGHG1 and melanoma: A broader analysis of each of the cancer types available in TCGA revealed that a high IGHG1 proportion is only associated with a significantly better prognosis for the full patient cohorts in non-papillary bladder cancer (Bonferroni adjusted p < 0.002, HR = 0.5) and melanoma (adjusted p < 0.02, HR = 0.6).