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VA BENEFITS REFERENCE

Bile Duct Cancer And Related Presumptive Pathways

Official presumptive service rules for Bile duct cancer and 14 conditions sharing these pathways, including listed locations, dates, criteria and sources.

Independent Education · Official Sources · Last Verified October 25, 2026

These 15 named conditions share the service pathways reproduced below. Their diagnosis must still match the condition named in the governing source. Each row retains its own dates and limitations. Listing a condition does not decide an individual award.

Conditions In This Reference

  • Bile duct cancer
  • Bone cancer
  • Breast cancer
  • Bronchiolo-alveolar carcinoma
  • Colon cancer
  • Esophageal cancer
  • Gallbladder cancer
  • Leukemia other than chronic lymphocytic leukemia
  • Lung cancer
  • Ovarian cancer
  • Pharyngeal cancer
  • Salivary gland cancer
  • Small intestine cancer
  • Stomach cancer
  • Thyroid cancer

The table uses Bile duct cancer as the row label; the same listed pathways apply to each condition above. Source-specific diagnoses remain distinct.

Published Presumptive Reference
ConditionExposureListed Service LocationsService DatesCriteria And Sources
Bile duct cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Bile duct cancerRadiationEniwetok garrison and maintenance forcesJune 21, 1951 through July 1, 1952; August 7, 1956 through August 7, 1957; November 1, 1958 through April 30, 1959VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Service as a member of garrison or maintenance forces during one of the specific periods. This is separate from the 1977-1980 cleanup provision.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Bile duct cancerRadiationNaval shipyards decontaminating Operation Crossroads shipsThe regulation specifies qualifying duties, without a separate universal calendar windowVA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Assignment to official military duties at naval shipyards involving decontamination of ships that participated in Operation Crossroads.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Bile duct cancerRadiationOccupation of Hiroshima or Nagasaki, JapanAugust 6, 1945 through July 1, 1946VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties within ten miles of either city limit, required to perform or support occupation functions.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Bile duct cancerRadiationQualifying former prisoners of war in JapanAugust 6, 1945 through July 1, 1946 for the specified exposure opportunityVA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Comparable exposure opportunity includes internment or demonstrated work within 75 miles of Hiroshima or 150 miles of Nagasaki, qualifying occupation duties immediately after internment, or repatriation through Nagasaki.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Bile duct cancerRadiationPaducah, Portsmouth and Oak Ridge K25 gaseous diffusion plantsAt least 250 days before February 1, 1992VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Bile duct cancerRadiationAmchitka Island, AlaskaBefore January 1, 1974VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Duty-related exposure to ionizing radiation connected to the Long Shot, Milrow or Cannikin underground nuclear tests.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Bile duct cancerRadiationService equivalent to a Department of Energy Special Exposure CohortDates and day-count requirements depend on the qualifying statutory cohort or designationVA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Military service in a capacity that, if performed as a DOE employee, would qualify under 42 U.S.C. 7384l(14). The specific cohort criteria must be checked; general DOE-site service is insufficient.

38 CFR 3.309(d). Verified 2026-10-25. Source 1 · Source 2

Bile duct cancerRadiationEnewetak Atoll cleanupJanuary 1, 1977 through December 31, 1980VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Participation in the cleanup of Enewetak Atoll.

38 CFR 3.309(d). Verified 2026-10-25. Source 1 · Source 2

Bile duct cancerRadiationPalomares, Spain nuclear-weapons responseJanuary 17, 1966 through March 31, 1967VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation in the response to the B-52 and refueling-plane collision and release of nuclear weapons.

38 CFR 3.309(d). Verified 2026-10-25. Source 1 · Source 2

Bile duct cancerRadiationThule Air Force Base, Greenland nuclear-weapons responseJanuary 21, 1968 through September 25, 1968VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation in the response to the B-52 fire and crash that released nuclear weapons.

38 CFR 3.309(d). Verified 2026-10-25. Source 1 · Source 2

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Last verified 2026-10-25. Source publication or legal effective dates are shown separately where available.

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