Obstruction of the flow of lymph in lymphatic vessels can lead to an accumulation of interstitial fluid in the tissues. This condition is characterized by pain and swelling, and is called .

lymphedema

Explanation:

Lymphedema -

It refers to the medical condition , where the arms or legs swell up , is referred to as the condition of lymphedema .

The condition arises due to the damage of the nodes of the lymph , which can usually occur during the treatment of cancer .

The condition is very painful and restricts the flow of lymph in the lymphatic vessels .

Hence , from the given information of the question ,

The correct answer is lymphedema .