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Table 1 Mapping factor to transition from CE to ICRP model

From: Improved accuracy of S-value-based dosimetry: a guide to transition from Cristy–Eckerman to ICRP adult phantoms

CE source regions

ICRP source region

Acronym

Mass (g)

Mapping factor

ULI (contents) + 

LLI (contents)

Right colon (contents)

RC-cont

150

0.5

Left colon (contents)

LC-cont

75

0.25

Rectosigmoid (contents)

RS-cont

75

0.25

ULI (wall) + 

LLI (wall)

Right colon (wall)

RC-wall

186.24

0.41

Left colon (wall)

LC-wall

186.24

0.41

Rectosigmoid (wall)

RS-wall

86.91

0.18