1. A method to identify key images, comprising: determining tissue features based on tissue image diagnosis; determining radiological key image adequacy criteria based on the tissue features; adapting an imaging device to determine a degree of abnormality based on image features in an image; and, configuring an imaging system to estimate the key image degree of adequacy of an image as a function of image features and a degree of abnormality based on the image features, estimate the key image degree of adequacy for each of a real-time series of images captured by the imaging system, and identify key images based on the key image degree of adequacy estimated for the real-time series of images.