Representative images of tumor shape, enhancement pattern and density according to multidetector row helical computed tomography findings. (A) Well‐demarcated shape, (B) moderate demarcated shape, (C) poorly demarcated shape, (D) scattered demarcated shape, (E) homogenous enhancement pattern, (F) heterogenous pattern, (G) rim pattern, (H) poor enhancement, (I) high density and (J) intermediate or low density.