Spontaneous regression of tumors post-chemotherapy in a patient with relapsed small cell lung cancer: a case report - Miyaki, Tomoha; Kataoka, Shunichi; Shukuya, Takehito; Yanai, Ayumi; Shiozaki, Hitomi; Motomura, Hiroaki; Miyawaki, Taichi; Hayashi, Takuo; Hattori, Aritoshi; Suzuki, Kenji; Takahashi, Kazuhisa (Translational Lung Cancer Research, 2025)