MP/H Rules/Multiple Primaries--Thyroid: How many primaries should be coded if there is a clinical diagnosis of recurrent thyroid carcinoma in 3/08 in a patient with a history of thyroid carcinoma diagnosed in 1995 with a 2002 clinical recurrence? See Discussion.
MP/H Rules/Multiple primaries/Cancer-directed treatment--Lung: Is a 2008 occurrence of non-small cell carcinoma in the left lower lobe following a 1998 occurrence of the same histology in the left lung to be counted as a new primary if the 1998 primary was treated with chemotherapy and/or radiation but not surgery? See Discussion.
MP/H Rules/Multiple primaries--Thyroid: How many primaries should be coded in a patient with a 4/5/08 left thyroid lobectomy diagnosis of follicular carcinoma followed by a 7/25/08 right thyroid lobectomy diagnosis of papillary carcinoma, follicular variant?
MP/H Rules/Multiple primaries--Urinary: How should we handle urinary tract tumors diagnosed before the MP rules went into effect when determining the number of primaries to report primaries? How do you apply rules M5, M6 and M8 when an invasive bladder tumor and other urinary site tumors occur before and after the effective date of these rules? See Discussion.
MP/H Rules/Multiple primaries--Urinary: Are diagnoses in bladder, ureter, renal pelvis, and other urinary made prior to 2007 used in determining multiple primaries? See Discussion.
Sugery of Primary Site--Breast: When a patient is simultaneously diagnosed with bilateral breast cancer and bilateral mastectomies are done, do you code the total mastectomies to 40 or 41 or 42?
MP/H Rules/Histology--Breast: How do you code histology for a breast tumor when the comment section of the pathology report compares the current resected specimen with a previous needle biopsy? See Discussion.