What are the symptoms of cancer and how can we identify cancer in early stages?

Question

Symptoms of cancer  depends upon the  organ affected. However the
warning signs are
*      Unexplained weight loss
*      Coughing, Shortness of breath, chest pain
*      Change in Bowel habit like blood in stool, unexplained dirrhoea or
constipation
 and sense of incomplete bowel evacuation.
*      Persistent bloating, pain abdomen or  anus
*      Blood in urine, stool  and while coughing and vomiting
*      Unusual swelling and lump any where in body
*      Change in shape, size and colour of mole
*      A Sore that won?t heal after several week
*      Persistent difficulty in swallowing
*      Hoarseness of voice lasting for more than 3 weeks
*      Difficulty in passing urine  and sense of urgency to pass urine
*      Lump in Breast , swelling in arm pit, bloody discharge from nipple,
change in shape of nipple and inter menstrual bleeding,

Lalit Kumar Tripathy · Accepted Answer

Symptoms of cancer  depends upon the  organ affected. However the
warning signs are
*      Unexplained weight loss
*      Coughing, Shortness of breath, chest pain
*      Change in Bowel habit like blood in stool, unexplained dirrhoea or
constipation
 and sense of incomplete bowel evacuation.
*      Persistent bloating, pain abdomen or  anus
*      Blood in urine, stool  and while coughing and vomiting
*      Unusual swelling and lump any where in body
*      Change in shape, size and colour of mole
*      A Sore that won?t heal after several week
*      Persistent difficulty in swallowing
*      Hoarseness of voice lasting for more than 3 weeks
*      Difficulty in passing urine  and sense of urgency to pass urine
*      Lump in Breast , swelling in arm pit, bloody discharge from nipple,
change in shape of nipple and inter menstrual bleeding,