GPT and sclerosing cholangitis: Typically, case reports of pembrolizumab-induced sclerosing cholangitis present with raised ALP and ALT with normal IgG, such as the case reported by Tahboub Amawi et al.8One sclerosing cholangitis case in the literature reports that the liver enzyme levels became so high that the patient met the criteria for discontinuation of pembrolizumab after 4 cycles.9