Quadruple primary malignancies: a rare case of breast, bladder, lung, and laryngeal cancer

Long-term multidisciplinary follow-up is essential for patients with multiple primary malignancies, as timely surveillance can enable early detection and management of new cancers.Individualized treatment decisions are crucial when standard surgical or chemoradiation options are limited by treatment intolerance or patient refusal.Delayed initiation of appropriate sepsis management can critically impact patient outcomes; despite optimal subsequent treatment, disease progression may become irreversible.