Piles blood. Piles or due to stomach.

My Mother 80 years old. She has been suffering with piles and constipation problem for about an year. a year back she even has blood. Gastroenterologist was consulted. Blood vanished about 8 months back.she took looz 10 gm and applied smuth cream. Daflon 500 was given for one day. Constipation was severe till about a month back. She took variety of treatments. Homeopathic pilex, home remedies for many months. Dietary changes were also brought in. No pain was there for the last say 3 to 4 months. Since two days back she was having pain. Constipation problem got vanished one month back. Today in her stool there was blood aftet 8 months. A lump can be seen near anus about 1 cm away with a small white skin in middle. Pic there. My question is whether piles is going away. Is blood from stomach.  She has no constipation. Sometimes feeling of going to toilet is there. She had a stomach pain last night. Suggest what is this piles or due to stomach.