A stent includes a strut formed into a cylindrical shape and extending in an axial direction. The strut includes outer peripheral portions extending around the axial and circumferential directions of the cylindrical shape. The outer peripheral portions are spaced apart from one another with gaps formed between adjacent outer peripheral portions. The strut includes a connection portion connecting the outer peripheral portions to each other in one of the gaps formed by the adjacent outer peripheral portions. The outer peripheral portions and the connection portion of the strut are integrally formed of a biodegradable polymer A portion of the strut includes a fragile portion which is snore fragile than other portions of the strut.
