a lovable Labrador puppy sporting a crisp white lab coat and stethoscope, extremely realistic, warm light, ultra high quality down to the hairs, 8k, full hd, very high detail,

(worst quality:1.5), (low quality:1.5), (normal quality:1.5), lowres, bad anatomy, bad hands, multiple eyebrow, (cropped), extra limb, missing limbs, deformed hands, long neck, long body, (bad hands), signature, username, artist name, conjoined fingers, deformed fingers, ugly eyes, imperfect eyes, skewed eyes, unnatural face, unnatural body, error,