Stage IIA intraocular melanoma of the ciliary body and choroid

{
  "id": "MLC-T-ONC-008120",
  "term": "Stage IIA intraocular melanoma of the ciliary body and choroid",
  "field": "Oncology and biomedicine",
  "definition": "Stage II is divided into stages IIA and IIB. In stage IIA, the tumor (1) is size category 1 (not more than 12 millimeters wide and not more than 3 millimeters thick; or not more than 9 millimeters wide and 3.1 to 6 millimeters thick) and has spread to the ciliary body; or (2) is size category 1 and has spread through the sclera to the outside of the eyeball. The part of the tumor outside the eyeball is not more than 5 millimeters thick. The tumor may have spread to the ciliary body; or (3) is size category 2 (12.1 to 18 millimeters wide and not more than 3 millimeters thick; or 9.1 to 15 millimeters wide and 3.1 to 6 millimeters thick; or not more than 12 millimeters wide and 6.1 to 9 millimeters thick) and is in the choroid only.",
  "references": [
    "NCI Dictionary of Cancer Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/stage-iia-intraocular-melanoma-of-the-ciliary-body-and-choroid/"
}