The Anatomist is based on a historical figure and historical fact; what Andahazi provides is his title character's heart and soul. The fictional Colombo is driven by desire for the high-priced courtesan Mona Sofia. Though Mateo adores her, the heartless Sofia regards him as nothing more than a paying customer. After breaking both his heart and his bank account over her, Colombo returns to his native Padua whence he is eventually called to Florence to treat a saintly young widow, Inés de Torremolinos. Inés is "infinitely beautiful," and her illness is "far from common." While examining her, he discovers "between his patient's legs a perfectly formed, erect and diminutive penis