https://www.selleckchem.com/products/sar439859.html Liposarcoma is one of the most common types of soft tissue sarcomas and can develop at any site, although omental liposarcoma is extremely rare. Omental liposarcoma has a poor prognosis because the diagnosis is difficult, until it presents as a large tumor causing severe noticeable clinical symptoms. A 51-year-old male with lower abdominal pain was referred to our clinic. Abdominal ultrasonography revealed an ill-defined, solid, heterogeneous, and hypoechoic tumor deep in the lower abdomen. Generally, liposarcomas are hyperechoic, though 20% of liposarcomas present as hypoechoic tumors. This variation might occur depending on the pathological classification. We should consider the possibility of a dedifferentiated component if ultrasonography reveals typical features of soft tissue sarcoma with hypoechoic lesion. ©2020 The Japanese Association of Rural Medicine.Objective The surgical workforce needs to at least double by 2030. To increase the workforce, training for non-physician healthcare professionals and community health workers (CHWs) in rural areas is promising to decrease the numbers of untreated surgical patients. Nevertheless, few studies have been conducted on surgical activities of non-physician healthcare professionals and CHWs in rural Cambodia. We sought to measure the level of knowledge of surgical symptoms, and identify factors associated with it. A questionnaire survey was administered to people in rural areas of Kratie Province to determine their knowledge of surgical symptoms, and to strengthen the surgical workforce among medical staff and CHWs. Patient/Materials and Methods To evaluate the knowledge of surgical symptoms among medical staff and CHWs, a self-reported questionnaire was administered to medical staff, CHWs, and villagers in a rural area of Kratie province, Cambodia. The rating score of the number of correct answers among medical staff, CHWs, and villagers was set as the primary outc