Size of Tumor

PUF Data Item Name: 
TUMOR_SIZE
NAACCR Item #: 
780
length: 
3
Allowable values: 
000 - 990, 999
text: 
Right Justified, Zero-filled
Description: 
Describes the largest dimension of the diameter of the primary tumor in millimeters (mm), or -- for melanoma -- describes the depth in hundredths of millimeters.
Registry Coding Instructions: 

        Code the exact size of the primary tumor in millimeters (mm).
Converting units of measure:
-   1 mm is one-tenth of a centimeter (cm), thus, a 20-mm or 2-cm tumor is coded as 020.
Exception:
-   For melanomas of the skin (C44.0-C44.9), vulva (C51.0-C51.9), penis (C60.0-C60.9), scrotum (C63.2), and conjunctiva (C69.0), code the depth of invasion in HUNDREDTHS of millimeters.
Code the largest dimension or diameter of the tumor, whether it is from a biopsy specimen or the complete resection of the primary tumor.
 Code the size of the primary tumor, not the size of polyps, ulcers, cysts, or metastases.
Record the size of the tumor from the pathology report, if available.
 Information on tumor size from imaging/radiographic techniques can be used to code size, but should be taken as low priority, just above physical exam.
        Code 001 for tumors less than 1 mm in size.
        Code the size as stated for purely in situ tumors.
        If both an in situ and an invasive component are present, and each is measured, code the size of the invasive component even if it is smaller.
        For cases diagnosed prior to 2004 (when CS was implemented), code 998 when following terms describe tumor involvement for these specified sites:
-   Esophagus (C15.0-C15.5, C15.8, C15.9): Entire circumference.
-   Stomach (C16.0- C16.6, C16.8, C16.9): Diffuse, widespread, or more, linitis plastica.
-   Colorectal (C18.0-C20.9 with M-8220-8221 and /2 or /3): Familial/multiple polyposis.
-   Lung and main stem bronchus (C34.0-C34.3, C34.8, C34.9): Diffuse, entire lobe or lung.
-   Breast (C50.0-C50.6, C50.8, C50.9): Inflammatory carcinoma; diffuse, widespread, or more of breast.
        Code 999, unknown, if only one size is given for a mixed in situ and invasive tumor.
        Code the size of the residual tumor if an excisional biopsy is performed and residual tumor at time of resection of the primary site is found to be larger than the excisional biopsy.
        Do not add pieces or chips together to create a whole; they may not be from the same location, or the may represent only a very small portion of a large tumor.
        Code 999 if the size of the tumor is unknown or the tumor size is not documented in the patient record.
        Code 999 for histologies or sites where size is not applicable:
-   Unknown or ill-defined primary (C76.0-C76.8, C80.9)
-   Hematopoietic, reticuloendothelial, immunoproliferative or myeloproliferative disease (C42.0, C42.1, C42.3, C42.4 and/or M-9750, 9760-9764, 9800-9820, 9826, 9831-9920, 9931-9964, 9980-9989)
-   Multiple myeloma (9732)
-   Letterer-Siwe disease (9754)

 
        The following two instructions were added to in January 2003 to facilitate the transition to the Collaborative Staging system:
           -  Code 999 for a needle biopsy specimen.
           -  If the patient received neoadjuvant (presurgical) radiation or systemic therapy (chemotherapy, hormone therapy, and/or immunotherapy), then code the size of tumor documented prior to the start of first course therapy; do not code the size of tumor recorded in the pathology report.
 

Analytic Note: 

This item combines the information collected as Tumor Size (NAACCR Item #780) prior to 2004 with the site-specific content of CS Tumor Size (NAACCR Item #2800) thereafter.

 

Code

 

Definition

 

000

 

No mass or tumor found, ie, a tumor of a stated primary site is not found, but the tumor has metastasized.

 

001-988

 

Exact size in millimeters (For melanoma only, size in hundredths of mm).

 

989

 

989 millimeters or larger; melanomas greater than or equal to 9.89 mm in depth.

 

990

 

Microscopic focus or foci only, no size is given.

 

991

 

Described as "less than 1 cm".

 

992

 

Described as "less than 2 cm" or "greater than 1 cm" or "between 1 cm and 2 cm".

 

993

 

Described as "less than 3 cm" or "greater than 2 cm" or "between 2 cm and 3 cm".

 

994

 

Described as "less than 4 cm" or "greater than 3 cm" or "between 3 cm and 4 cm".

 

995

 

Described as "less than 5 cm" or "greater than 4 cm" or "between 4 cm and 5 cm".

 

996-998

 

Site-specific codes where needed (Consult CS manual or FORDS, depending on diagnosis year).

 

999

 

Unknown; size not stated; not stated in patient record; not applicable.

 

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