Sarcoma can be visually detected in some cases. However, the milder the problem is, the more difficult it is to examine and discover. In fact, this type of cancer appears and develops in any part of the body. Tumors and swelling in certain regions are always the warning signs, so you should hope it is not connected with sarcoma. The person will feel the tumor progressing when it compresses nerves, joints, and muscles around. The consequence is breathlessness: the person starts running out of oxygen.
Unfortunately, it is impossible to detect the illness on the first stage and get rid of it initially as no doctor has access to corresponding examinations as they were not invented yet. In the case of another type, osteosarcoma, it is possible to diagnose the illness by sensing problems with bones which progress when the person sleeps, lumps, and swelling in the areas of lower extremities.