Analisis Praktik Residensi Keperawatan Medikal Bedah pada Pasien Gangguan Sistem Respirasi Kanker Paru dengan Pendekatan Teori Keperawatan Calista Roy di Rumah Sakit Persahabatan Jakarta = Analysis of Medical Surgical Nursing Residency Practices in Patients with Respiratory System Disorders with Lung Cancer using Calista Roy's Nursing Theory Approach at Persahabatan Hospital, Jakarta