EC Cancer Registry Data Collection 4

Question 1

The date used to start calculating survival time in cancer registry analyses is typically the:

Accepted Answer

Date of diagnosis (date of first pathologic confirmation or clinical diagnosis)

Answer

Survival time is calculated from the date of diagnosis — the earliest confirmed date of malignancy — to death or last contact.

Question 2

Which field in the cancer registry abstract identifies whether the tumor arose in the right or left side of a paired organ?

Accepted Answer

Laterality

Answer

The laterality field specifies right, left, bilateral, midline, or not applicable for paired organs such as kidneys, lungs, or breasts.

Question 3

A hospital cancer registry is required to submit data to its state central registry. The state registry then submits to NAACCR for inclusion in the national dataset. This flow illustrates which type of registry hierarchy?

Accepted Answer

Hospital-to-state-to-national hierarchical reporting

Answer

U.S. cancer data flows hierarchically: hospital registries → state central registries → NAACCR-aggregated national databases like SEER and CDC NPCR.

Question 4

When a cancer registry abstracts 'class of case,' a code of '00' indicates:

Accepted Answer

Diagnosis elsewhere, initial treatment at the reporting facility

Answer

Class of case 00 indicates the patient was initially diagnosed at another facility but received their first course of treatment at the reporting facility.

Question 5

What is the function of the 'sequence number' data item in a cancer registry abstract?

Accepted Answer

It indicates the order in which multiple primaries occurred in a patient's lifetime

Answer

The sequence number identifies the chronological order of multiple primary cancers diagnosed in a single patient across their lifetime.

(EC) Electrolysis Certification Practice Test

(EC) Electrolysis Certification Practice Test

EC Cancer Registry Data Collection 4