Table 1.

Duration of ICIs for different tumors and stages.

Tumor stages	Treatment
Advanced NSCLC	Two years ICIs treatment
Advanced hepatocellular carcinoma and renal carcinoma	Two-year ICIs in combination with anti-angiogenic therapy
Advanced pleural mesothelioma, malignant melanoma, and colorectal cancer	Two years of dual immunotherapy
Locally advanced tumors	Two years of consolidation immunotherapy after concurrent chemoradiotherapy or sequential chemoradiotherapy
Early and middle stage tumors	Preoperative neoadjuvant therapy: 2-4 cycles of ICIs combined with chemotherapy followed by surgery, as well as one year of adjuvant ICIs after surgery
Early and middle stage tumors	Post-operative adjuvant therapy: one year of ICIs treatment

NSCLC, non-small cell lung cancer; ICIs, immune checkpoint inhibitors.