Observational Study of Sex Differences in Symptoms During Immune Checkpoint Inhibitor Treatment for People With Cancer

This study aims to learn more about symptoms that patients experience while receiving immunotherapy for cancer.

Inclusion Criteria: 1. Age 18 years or older on date of enrollment (Confirmed by review of the date of birth as documented in the Electronic Medical Record (EMR) and subsequently recorded in a CRF.) 2. Histologically confirmed diagnosis of cancer and plan to begin SOC immunotherapy for the treatment of cancer per FDA approval and/or National Comprehensive Cancer Network (NCCN) guidelines (Confirmed by review of cancer diagnosis and treatment plan as documented in the Electronic Medical Record (EMR) and subsequently recorded in a CRF.) 3. Treating oncologist anticipates at least 6 consecutive months of SOC immunotherapy (Confirmed by review of the treatment plan as documented in the Electronic Medical Record (EMR) and subsequently recorded in a CRF.) Exclusion Criteria: 1. Diagnosed with breast, prostate, testicular, penile, or gynecologic cancer (Confirmed by review of the cancer diagnosis as documented in the Electronic Medical Record (EMR) and subsequently recorded in a CRF.) 2. Previously received immunotherapy (Confirmed by review of cancer treatment history as documented in the Electronic Medical Record (EMR) and subsequently recorded in a CRF.) 3. Life expectancy of \