The outline of the heart and its surrounding structures as seen in medical imaging.
हृदय और इसके आस-पास की संरचनाओं का चित्रण
English Usage: The cardiac silhouette appeared enlarged on the X-ray.
Hindi Usage: एक्स-रे पर हृदय की आकृति बढ़ी हुई दिखाई दी।