text: Laboratory findings consistent with the diagnosis of<unk><unk><unk>  cancer may include positive germline<unk> ng for<unk><unk><unk>  cancer genes (MLH1, MSH2, MSH6, and PMS2), positive EPCAM gene<unk>  and elevated serum concentration of CEA and CA-125.
option_0: Hereditary nonpolyposis colorectal cancer laboratory tests
option_1: Colorectal cancer laboratory tests
option_2: Gastrointestinal varices screening
option_3: Colorectal cancer ultrasound
option_4: Peutz-Jeghers syndrome laboratory tests
option_5: Colon polyps physical examination
option_6: Colorectal cancer physical examination
option_7: Hemochromatosis physical examination