The present invention relates to a process for the preparation of a hydroprocessing catalyst, to the catalyst composition obtainable by said process, and to the use of said catalyst composition in hydroprocessing applications. Thus, a maintenance work, particularly, a replacement work for the bill storage unit can be easily performed in an inner working space of a kiosk which is narrow in a fore and aft direction, and the maintenance work does not cause inconvenience to travelling cars or walkers. The invention additionally provides methods for detecting and treating various cancers, including cancer of the ovary using OC-related molecules.