Signs and symptoms of carcinoma of unknown primary depend on what part of the body is involved. In general, they might include:  A lump that can be felt through the skin Pain Changes in bowel habits, such as new and persistent constipation or diarrhea Frequent urination Cough Fever Night sweats Losing weight without trying 
signs symptoms carcinoma unknown primary depend part body involved  general  include:  lump can felt skin pain changes bowel habits  new persistent constipation diarrhea frequent urination cough fever night sweats losing weight trying 
carcinoma unknown primary