Complex sentence: An autopsy for the British Columbia Coroner's Service did not determine the cause of death, citing no trauma or disease, but noted that Dziekański had signs of chronic alcohol abuse such as atrophy of a portion of the brain, cardiomyopathy and fatty liver.
Split into simpler sentences: An autopsy for the British Columbia Coroner's Service did not determine the cause of death, citing no trauma or disease. Although Dziekański had signs of chronic alcohol abuse such as atrophy on a portion of the brain, cardiomyopathy and fatty liver.