"TSO" meaning in Italian

{
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "TSO m",
      "name": "it-proper noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Trattamento Sanitario Obbligatorio"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "initialism of Trattamento Sanitario Obbligatorio"
      ],
      "id": "en-TSO-it-name-CiGYyeOn",
      "links": [
        [
          "Trattamento Sanitario Obbligatorio",
          "w:it:Trattamento sanitario obbligatorio"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "masculine"
      ]
    }
  ],
  "word": "TSO"
}

{
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "TSO m",
      "name": "it-proper noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Trattamento Sanitario Obbligatorio"
        }
      ],
      "categories": [
        "Italian entries with incorrect language header",
        "Italian initialisms",
        "Italian lemmas",
        "Italian links with redundant wikilinks",
        "Italian masculine nouns",
        "Italian proper nouns",
        "Italian uncountable proper nouns",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "initialism of Trattamento Sanitario Obbligatorio"
      ],
      "links": [
        [
          "Trattamento Sanitario Obbligatorio",
          "w:it:Trattamento sanitario obbligatorio"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "masculine"
      ]
    }
  ],
  "word": "TSO"
}