Evaluation of Anti-PD-1 Therapy by Monitoring T Cell Responses in Melanoma, Lung and Other Cancer Types

clinical stage iii cutaneous melanoma ajcc v8, clinical stage iv cutaneous melanoma ajcc v8, locally advanced lung carcinoma, locally advanced malignant solid neoplasm, locally advanced melanoma, metastatic lung carcinoma, metastatic malignant solid neoplasm, metastatic melanoma, stage iii lung cancer ajcc v8, stage iv lung cancer ajcc v8, observational