COVID-19 Research Paper Volume 12, Issue 9 pp 7652—7659
Typical radiological progression and clinical features of patients with coronavirus disease 2019
Figure 4. Radiological improvement of two COVID-19 pneumonia patients. (A, B) Patch lesions were absorbed and changed into reticular spline ones (a 31-year-old female patient); (C–D) Significant improvement of CT sign was achieved in a 22-year-old male patient. Typical lesions were marked with red arrows.