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International Thymic Malignancy Interest Group

EIN 27-1652696 · Sleepy Hollow, NY

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthFair63 out of 100GovernanceWeak35 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

The mission of ITMIG is to promote the advancement of clinical and basic science pertaining to thymic and other mediastinal malignancies and related conditions ITMIG is a multidisciplinary group currently consisting of surgeons, pathologists, imaging specialists, oncologists, and neurologists, aiming for better management of patients with thymic tumors through an optimized interaction between the disciplines. The academic journal Mediastinum has become the official journal of the International Thymic Malignancy Interest Group! This represents a collaborative partnership between two institutions. The ITMIG database is a major resource for studying the characteristics, treatment strategies, and outcomes of patients with thymic malignancies, has reopened More than 2000 patients are enrolled.

Income
$216,569
Spending
$313,492
Spent on programs
81%
Reserves
8.2 months of spending
Largest source of income
donations and private grants, 100%
Employees
0

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Fair: 63 out of 100. Higher than 27% of charities in its peer group (medical research, under $250k).

  • Reserves

    28 of 35

    Spendable reserves would cover 8.2 months of spending.

  • Debt

    20 of 20

    It owes 0% of what it owns.

  • Living within its means

    0 of 15

    Spending exceeded income by 45% of income.

  • Income trend

    0 of 15

    Income fell 43% on the year before.

  • Spending floor

    15 of 15

    81% of spending went to programs and raising each dollar of donations cost 0 cents.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Weak: 35 out of 100. Higher than 15% of charities in its peer group (medical research, under $250k).

  • Independent board

    18 of 25

    4 of 4 voting board members are independent.

  • Conflict of interest policy

    0 of 15

    Reports no written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    0 of 7

    Reports no written policy on keeping and destroying records.

  • Board minutes

    0 of 5

    Reports that it does not keep minutes of board meetings.

  • Board sees the tax return

    0 of 10

    Did not give the board a copy of this return before filing it.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (3)
  1. $183,000 spent. ITMIG is aligned with the Foundation for Thymic Cancer Research to advance program services through coordination of the executive director. The executive director is responsible for all activities related to the organization and all program services.
  2. $75,000 spent. Research and related expenses. The ITMIG database is a major resource for studying the characteristics, treatment strategies, and outcomes of patients with thymic malignancies. More than 2000 patients are enrolled. The database is open to all researches and has data transfer agreements with all major institutions.
  3. $55,672 spent. The 2024 Annual Meeting was held in Yokohama, Japan, in collaboration with the Japan Lung Cancer Society. The abstract book from the meeting is available in MEDIASTINUM.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated November 6, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since September 2010.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated November 4, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.