According to one aspect, a fluid collection bag comprises an inlet opening adapted to receive an inlet tube located on a first side of the fluid collection bag. The fluid collection bag has a length greater than the height. The first side of the fluid collection bag is generally parallel with a length of the fluid collection bag. The fluid collection bag further comprises an outlet opening located on a second side of the fluid collection bag. The fluid collection bag may be reversible such that a first surface or a second opposing surface of the fluid collection bag may face a support element.