causes,c20.3,diagnosis,c20.8,follow-up,c20.22,questions to ask,c20.24,recurrent,c20.23,risk factors,c20.4,screening,c20.5,spread,c20.2,staging,c20.9,symptoms,c20.6,treatment,c20.10,types,c20.2,causes,c21.2,diagnosis,c21.7,follow-up,c21.15,questions to ask,c21.17,recurrent,c21.16,risk factors,c21.4,screening,c21.5,spread,c21.2,staging,c21.9,symptoms,c21.6,treatment,c21.10,types,c21.2,about,c24.22,causes,c22.1,diagnosis,c22.5,follow-up,c22.11,questions to ask,c22.12,screening,c22.3,staging,c22.6,symptoms,c22.4,treatment,c22.7,types,c22.1,defined,p01.13,diffuse intermediate lymphocytic,c23.15,anus,c02.2,brain,c05.15,central nervous system,c05.2,colorectal,c11a.2,esophagus,c12.2,pancreas,c31.2,small intestine,c38.3;c38.14,stomach,c39.2;c39.23,thryroid,c42.2;c42.24,