1. A method for transmission of a medical image, wherein the medical image is formatted into a plurality of data sets including a data set for the image data and a data set for embedded information which identifies the nature of the medical image, comprising: identifying a region of interest in the medical image, wherein the region of interest is identified automatically by using the embedded information; transmitting image data for the region of interest; and transmitting image data for a region other than the region of interest, wherein transmission of the image data for the entirety of the region of interest is completed before transmission of the image data for the entirety of the region other than the region of interest.