Fig. 1

Summary of serum sodium levels, chemotherapy course, and computed tomography images. The x-axis indicates the number of days and day 0 indicates the first day of hospitalization. The y-axis indicates the serum sodium levels. Black and white arrows indicate the days of chemotherapy administration and discontinuation owing to neutropenia, respectively. The yellow arrows indicate the tumors. CBDCA, carboplatin; PTX, paclitaxel