Pathological complete response after monotherapy with immune checkpoint inhibitors for bifocal colon cancer in a patient with lynch syndrome and situs inversus totalis: a case report
BackgroundLynch syndrome is the most common hereditary colorectal cancer (CRC) syndrome, accounting for 3–5% of all CRC cases. Situs inversus totalis (SIT) is a rare congenital malformation with an incidence of 1 in 8,000 to 1 in 25,000. The co-occurre…