Ms. R is a 65-year-old woman who spends most of her day sitting on her porch and recovering from a recent surgery involving the removal of suspected cancerous lymph glands in the inguinal area. She is now complaining that her shoes are fitting too tightly, and she has developed poorly healing sores on her legs and ankles. A closer examination also shows distention in her varicose veins. Blood tests reveal a low level of proteins in the plasma.1. Based on the patient history and the signs and symptoms, identify the fluid imbalance the patient is experiencing, and state the rationale for your answer. (See Edema.)2. Discuss the four general causes of edema and how they apply in the case of this patient. (See Causes of Edema.)3. Discuss the swelling, sores, varicose vein distention, and other effects that edema can have on a patient. (See Effects of Edema.)