A cause-of-death estimating apparatus includes a diagnostic information acquiring section, a disease/wound history acquiring section and a cause-of-death estimating section. The diagnostic information acquiring section is configured to acquire diagnostic information on image data on a body. The disease/wound history acquiring section is configured to acquire a diagnosis/treatment history of the body before death of the body. The cause-of-death estimating section is configured to estimate a direct cause of death of the body and an original cause thereof based on the acquired diagnostic information and the acquired diagnosis/treatment history.
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