MIAS database reference number | Character of background tissue: F, fatty G, fatty-glandular D, dense-glandular | Class of abnormality present: CALC, calcification CIRC well-defined/circumscribed masses SPIC, spiculated masses MISC, other, ill-defined masses ARCH, architectural distortion ASYM, asymmetry NORM, normal | Severity of abnormality; B, benign M, malignant | x, y image coordinates of center of abnormality | x, y image coordinates of center of abnormality | Approximate radius (in pixels) of a circle enclosing the abnormality |