Most galaxies are elliptical.
Some elliptical galaxies are nearly circular in shape. Some elliptical galaxies are extremely stretched out, flattened,or elongated . E0 galaxies are nearly circular in shape. E1 galaxies are stretched out a little. E2 galaxies are more elongated, E3 galaxies even more elongated or flattened, all the way up to E7 galaxies, which are extremely elongated or stretched out.