“…Radiological examination is of value because the heart often presents a characteristic appearance such as an "egg-shaped" silhouette with narrow vascular pedicle, and increased pulmonary vasculature (Fanconi, 1932;Taussig, 1947;Eek, 1949;Wood, 1950;Astley and Parsons, 1952;Keith et al, 1953;Grosse-Brockhoff et al, 1954;Kjellberg et al, 1955;Miller et al, 1958).…”