NAACCR Item #3937: Visceral and Parietal Pleural Invasion

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Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired Column #
3937 1 NAACCR 2018 18 1867 - 1867

NAACCR XML: Tumor.visceralParietalPleuralInvasion

Visceral and Parietal Pleural Invasion is defined as invasion beyond the elastic layer or to the surface of the visceral pleura.
Visceral and Parietal Pleural Invasion (previously called "pleural/elastic layer invasion (PL)") is a Registry Data Collection Variable for AJCC. This data item was previously collected for Lung, SSF# 2.
0 No evidence of visceral pleural invasion identified
Tumor does not completely traverse the elastic layer of the pleura
Stated as PL0
1 Invasion of visceral elastic layer
Not beyond visceral pleural
Stated as PL1
2 Invasion outside surface of the visceral pleura
Invasion through outer surface of the visceral pleura
Stated as PL2
3 Tumor invades into or through the parietal pleura OR chest wall
Stated as PL3
4 Invasion of visceral pleura present, NOS; not stated if PL1 or PL2
6 Tumor extends to pleura, NOS; not stated if visceral or parietal
8 Not applicable: Information not collected for this case
(If this item is required by your standard setter, use of code 8 will result in an edit error.)
9 Not documented in medical record
No surgical resection of primary site is performed
Visceral Pleural Invasion not assessed or unknown if assessed or cannot be determined
Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.