“…Though the CT scan had relatively higher accuracy, the importance and role of conventional radiographs or much convenient and little or absence of radiation-exposure ultrasound in the setting of emergency department should not be neglected. 6,7 Especially in the era of the coronavirus disease 2019 (COVID-19) pandemic 8,9 , timely CT scan may be less available to individuals with acute abdomen. Also, conventional radiographs bring the least pressure to staff in hospital than other modalities for fear of getting infection.…”