In this dataset, parameters of mass size are defined as supplemental information to a subject's necropsy data.

Row STUDYID RDOMAIN USUBJID IDVAR IDVARVAL QNAM QLABEL QVAL QORIG QEVAL 1 1996001 MA 199601-101 MASPID MASS A MASSWDTH Mass Width 6 mm COLLECTED PATHOLOGIST 2 1996001 MA 199601-101 MASPID MASS A MASSLGTH Mass Length approximately 8 mm COLLECTED PATHOLOGIST