Figure 1From: Symptoms, CA125 and HE4 for the preoperative prediction of ovarian malignancy in Brazilian women with ovarian masses Ward agglomerative method for hierarchical clustering. The following clusters of symptoms and isolated symptoms were defined by the Ward agglomerative method: abdomen (abdominal bloating and/or increased abdominal size); back pain; pain (pelvic and/or abdominal pain); leg swelling; eating (unable to eat normally and/or feeling full quickly); able to feel abdominal mass; miscellaneous (fatigue and/or difficulty breathing); digestion (indigestion and/or nauseas/vomiting); bladder (urinary urgency and/or frequent urination).Back to article page