Pulmonary Malignant Lymphoma Requiring Surgical Lung Biopsy for Diagnosis Following COVID-19 Infection: A Case Report - Akiba, Yoshimasa; Hiraga, Junji; Nakahara, Yoshio; Iwata, Yuya; Ishiya, Saki; Ito, Toshinari; Okasaka, Toshiki (AME Case Reports, 2026)