Colon, TransverseSigmoid NeoplasmsColon, SigmoidSigmoid DiseasesColonic DiseasesMesocolonColectomyColon, DescendingColonic NeoplasmsCecal NeoplasmsRadiography, AbdominalColonoscopyColonIntestinal ObstructionColon, AscendingHernia, AbdominalBarium SulfateIntestinal PerforationMyelitis, TransverseIntestine, LargeNeoplasms, Multiple PrimaryIntestinal VolvulusLaparotomyRectumDiverticulitis, ColonicAnastomosis, SurgicalAdenocarcinomaCecumIntestinal MucosaDiverticulum, ColonTransverse Sinuses