De tumoribus praeter naturam libri quinque. Ex instructissima Bibliotheca Ranchiniana eruti, & publici iuris facti, cura & studio Henric Gras...Accessit Ioannis Saportae Tractatus de lue venerea.

IN 1554 Saporta gave the earliest description of an aortic aneurysm. Many years after Saporta's death Henri Gras of Lyon discovered the manuscript of Saporta's book, and edited it for publication.
Digital facsimile from Google Books at this link.