This document discusses signs and symptoms of various medical conditions. It covers topics like pain, hemorrhage, acute abdomen issues from medical and surgical causes, acute chest pain from angina and pulmonary embolism, acute ischemia requiring amputation, common postoperative complication of deep vein thrombosis, and abscesses where you shouldn't wait for fluctuation. It also covers conditions affecting specific body parts like the breast, pancreas, gallbladder, appendix, gastrointestinal tract, anus and rectum, and complications that can arise from invasive procedures or hernias. Finally, it notes that a lack of pain can sometimes indicate serious conditions like breast cancer that has spread to lymph nodes, bone metastases, or advanced local disease.