Common side effects of cancer treatment include a loss of physical strength and mobility. Weight gain, muscle loss, scar tissue, pain, fatigue, swelling, and stiffness can also occur. Pilates has many positive benefits, both physically and psychologically. Pilates has been shown to boost self-esteem, confidence, mood, body image, and a sense of independence and control as one takes an active role in their healing. The Pilates principle ‘breathing’ connects the breath to the body and to movement. Breathing calms, the nervous system allowing the body to release tension in the upper extremity and encourage lymphatic drainage to avoid lymphedema.