A display processing apparatus for storing an image within a body to be examined, the image being captured with an image capturing device introduced into the body to be examined, and for displaying the image on a display screen, comprising: a display unit for displaying a case data list (28, 29, 44, 47) on a case data listing display window on the display screen, the case data list (28, 29, 44, 47) including case data number fields and information display fields (29, 44, 47), the case data number fields displaying case data numbers, each case data number corresponding to an examination of a patient, and the information display fields (29, 44, 47) displaying information associated with each of the case data; and an information display switching unit (41-1, 41-2, 41-3) for switching the information displayed in the information display fields (29, 44, 47), characterized in that, the information display switching unit (41-1, 41-2, 41-3) is adapted to switch the information displayed in the information display fields (29, 44, 47) among - identification data including at least an ID of a patient, a name of the patient and an examination date; - an entire average colour bar configured by arranging in time series average colours each calculated for each of one or more images among images within the body to be examined; and - an entire lesion colour detection bar configured by arranging in time series colours according to lesions respectively for images within the body to be examined. a display unit for displaying a case data list (28, 29, 44, 47) on a case data listing display window on the display screen, the case data list (28, 29, 44, 47) including case data number fields and information display fields (29, 44, 47), the case data number fields displaying case data numbers, each case data number corresponding to an examination of a patient, and the information display fields (29, 44, 47) displaying information associated with each of the case data; and an information display switching unit (41-1, 41-2, 41-3) for switching the information displayed in the information display fields (29, 44, 47), characterized in that, the information display switching unit (41-1, 41-2, 41-3) is adapted to switch the information displayed in the information display fields (29, 44, 47) among - identification data including at least an ID of a patient, a name of the patient and an examination date; - an entire average colour bar configured by arranging in time series average colours each calculated for each of one or more images among images within the body to be examined; and - an entire lesion colour detection bar configured by arranging in time series colours according to lesions respectively for images within the body to be examined. - identification data including at least an ID of a patient, a name of the patient and an examination date; - an entire average colour bar configured by arranging in time series average colours each calculated for each of one or more images among images within the body to be examined; and - an entire lesion colour detection bar configured by arranging in time series colours according to lesions respectively for images within the body to be examined.