All participants' medical information will be collected for use as a baseline, including tumor-specific variables, nutritional status, functional status, psychological status, cognitive function, social support, and comorbidities. The suitability of G8, VES-13 and CARG chemotherapy risk assessment tools for elderly cancer patients was investigated.

All participants' medical information will be collected for use as a baseline, including tumor-specific variables, nutritional status, functional status, psychological status, cognitive function, social support, and comorbidities. G8, VES-13 and CARG toxicity scores of all participating patients will be determined by two independent investigators before starting chemotherapy. The suitability of these practical chemotherapy risk assessment tools for cancer patients for elderly cancer patients was investigated.

Inclusion Criteria:

• Aged ≥65 years
• Localized or metastatic solid carcinoma diagnosed by histology (any type, any stage)
• Starting a new-line (first-line, second-line or third-line) chemotherapy

Exclusion Criteria:

• Concurrent radiotherapy;
• Simultaneous immunotherapy
• Impaired language
• Cognitive function leading to inability to complete assessments.

Older Patients Receiving Chemotherapy