NAACCR Item #3913: Pleural Effusion

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3,913 1 NAACCR

NAACCR XML: Tumor.pleuralEffusion


Pleural effusion is the accumulation of fluid between the parietal pleura (the pleura covering the chest wall and diaphragm) and the visceral pleura (the pleura covering the lungs).


Pleural Effusion is collected by the surveillance community for pleura cancers. Prior to 2018, Pleura SSF #1 was used for Pleural Effusion.


0Pleural effusion not identified/not present
1Pleural effusion present, non-malignant (negative)
2Pleural effusion present, malignant (positive) Physician states pleural effusion is malignant in the absence of positive cytology
3Pleural effusion, atypical/atypical mesothelial cells
4Pleural effusion, NOS
8Not 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.)
9Not documented in medical record Pleural Effusion not assessed or unknown if assessed

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.