In their early stages,<unk> s usually do not cause symptoms. Because<unk><unk>  is relatively elastic, tumors can grow rather large, pushing aside normal<unk> , before they are felt or cause any problems. The first noticeable symptom is usually a painless lump or swelling. As the tumor grows, it may cause other symptoms, such as pain or soreness, as it presses against nearby nerves and muscles. If in the abdomen it can cause abdominal pains commonly mistaken for menstrual cramps, indigestion, or cause constipation.
Soft-tissue sarcoma
Conidiobolomycosis
Sarcoma
Osteoblastoma
Angiosarcoma
Myosarcoma
Osteosarcoma
Hemangiosarcoma