Public awareness message on a very important disease "Lyphedema".. Lymphedema is a chronic, progressive disorder caused by impaired lymphatic drainage leading to abnormal accumulation of protein-rich fluid in the interstitial tissues, most commonly affecting the limbs; it may be primary due to congenital lymphatic malformation or secondary due to surgery, radiation, trauma, infection, or malignancy; clinically it presents with painless swelling, heaviness, skin thickening, and a positive Stemmer