Organization

Field Name

ID

Required

KCR

Grade Post Therapy Path (yp)

30138

yes 

SEER

Grade Post Therapy Path (yp)

3845

yes 

Note 1 Leave Grade Post Therapy Path (yp) blank when

Note 2 There is a preferred grading system for this schema. If the post therapy clinical grade given uses the preferred grading system and the post therapy pathological grade does not use the preferred grading system, do not record the Grade Post Therapy Clin (yc) in the Grade Post Therapy Path (yc) field. Assign Grade Post Therapy Path (yc) using the applicable generic grade codes (A-D).

Note 3 Assign the highest grade from the resected primary tumor assessed after the completion of neoadjuvant therapy.

Note 4 If there are multiple tumors with different grades abstracted as one primary, code the highest grade.

Note 5 Codes 1-3 take priority over A-D.

Note 6 Use the grade from the post therapy clinical work up from the primary tumor in different scenarios based on behavior or surgical resection

Note 7 Code 9 (unknown) when

Code

Description

1

G1: Sum of differentiation score, mitotic count score and necrosis score equals 2 or 3
Stated as FNCLCC Grade 1

2

G2: Sum of differentiation score, mitotic count score and necrosis score of 4 or 5
Stated as FNCLCC Grade 2

3

G3: Sum of differentiation score, mitotic count score and necrosis score of 6, 7, or 8
Stated as FNCLCC Grade 3

A

Well differentiated

B

Moderately differentiated

C

Poorly differentiated

D

Undifferentiated, anaplastic

9

Grade cannot be assessed (GX); Unknown

<BLANK>

See Note 1