Clinical spectrum of lung cancer across hospitals under the National Cancer Registry Programme in India: Challenges and opportunities. - Kumar, Sunil; Nath, Anita; Sudarshan, Kondalli Lakshminarayana; Ramamoorthy, Thilagavathi; Sakia, Jyoutishman; Kumar, Naveen; Deo, Suryanarayana VS; Jain, Deepali; Malik, Prabhat S.; Mathur, Prashant (Lung India, 2025)