Clinical observation of a patient with an orphan disease (mucinous peritoneal carcinomatosis) after 2 courses of intraoperative photodynamic therapy with photogem photosensitizer is presented. During the first course of photodynamic therapy. photogem was administered at a dose of 2. 5 mg/kg. https://mabelandfoxs.shop/product-category/sensory-toy-accessory/