SANTA FE, N.M. (AP) — Betsy Arakawa, the concert pianist who was married to actor Gene Hackman, died from hantavirus pulmonary syndrome, according to an autopsy report released Tuesday that said that her lungs were heavy and congested.

PEOPLE obtained a final autopsy report regarding Gene Hackman and his wife Betsy's February deaths on Sunday, April 27. New Mexico's Office of the Medical Investigator ruled on Feb. 27 that Gene died of hypertensive and atherosclerotic cardiovascular disease,

Gene Hackman, whose wife Betsy Arakawa died of hantavirus pulmonary syndrome, tested negative for the disease, according to a new autopsy.