cancerR (version 0.1.0)

aya_class: Adolescent and young adult cancer classification

Description

This function classifies the type of adolescent and young adult cancer cases based on the histology, site, and behaviour codes of the cancer. It uses the International Classification of Diseases for Oncology (ICD-O), 3rd edition codes to determine the classification. The function returns a value is based on the method specified and the depth level of the classification hierarchy to be determined.

Usage

aya_class(
  histology,
  site,
  behaviour,
  method = "Barr 2020",
  depth = 1,
  verbose = FALSE
)

Value

Returns the diagnostic classification of the cancer based on the specified method and depth level.

Arguments

histology

Histology code of the cancer.

site

Site (aka topography) code of the cancer.

behaviour

Behaviour code of the cancer.

method

Method used for the diagnosis classification of the cancer. Default is "Barr 2020". Can be one of "Barr 2020", "SEER v2006", "SEER v2020", "SEER-WHO v2008".

depth

Depth level of the classification hierarchy to be determined. If set to 99, will return the SEER grouping.

verbose

Logical value to print messages to the console if unable to classify or duplicates found. Default is FALSE.

Examples

# First position in the classification hierarchy
aya_class("9020", "C50.1", "3", method = "Barr 2020", depth = 1)

# Second position in the classification hierarchy
aya_class("9020", "C50.1", "3", method = "Barr 2020", depth = 2)

# Third position in the classification hierarchy
aya_class(9020, "C50.1", "3", method = "Barr 2020", depth = 3)