This value set includes codes based on the following rules:

• Include these codes as defined in http://dicom.nema.org/resources/ontology/DCM

  Code	Display	Definition
  112150	Linear	A shadow resembling a line; any elongated opacity of approximately uniform width [Fraser and Pare].
  112135	Lobulated	A border shape that is made up of, provided with, or divided into lobules (small lobes, curved or rounded projections or divisions).

• Include these codes as defined in http://snomed.info/sct

  Code	Display
  42700002	Round
  20446002	Wedge-shaped
  49608001	Irregular
  84360004	Ovoid shape
  1312007	Drop-shaped

• Include these codes as defined in http://www.radlex.org

  Code	Display
  RID49495	Lenticular