2010 Annual Report - Regional West Medical Center

Glossary of TermsAJCC STAGEAmerican Joint Committee on Cancer Staging Schemeusing tumor size, node involvement and metastases todistant sites, T=primary tumor size; N=regional lymph nodeinvolvement; M=metastasis or distant spreadAJCC STAGE GROUPINGSStage 0 Carcinoma in-situStage I Localized carcinomaStage II: Limited local extension and/or limited regionallymph node involvementStage III: More extensive local extension or regional lymphnode involvementStage IV Involvement of distant sitesANALYTICCancer cases initially diagnosed and /or having receivedall or part of the first course of treatment at Regional WestMedical CenterFIRST COURSE OF TREATMENTPlanned definitive therapy initiated within four monthsfollowing initial diagnosisNCDBNational Cancer Date BaseOBSERVED SURVIVAL RATEThe literal survival rate from counting each case in the RegistrySTAGE GROUPING PURPOSET, N, and M categories describe the anatomic extent of thedisease. Stage grouping gathers cases into homogenouscategories to facilitate analysisUNKNOWNTumor is said to be unknown when the stage cannot bedetermined from the medical record or a medical authority25