Please select the eligibility criteria that correspond to the clinical trial below.
Title: N/A
Brief Summary: The purpose of the study is to compare efficacy and safety of palliative chemotherapy EOX and mDCF regimens in the first-line treatment of patients with advanced HER2-negative gastric and gastroesophageal junction (GEJ) adenocarcinoma


Options:
A: Inclusion Criteria:

* Histologically or cytologically-confirmed diagnosis of tumor that is recurrent, metastatic, or persistent:

  * For Cohort A - triple negative breast cancer (estrogen, progesterone, and human epidermal growth factor receptor 2 \[HER2\] negative)
  * For Cohort B - squamous cell carcinoma of the head and neck (including human papilloma virus (HPV)-positive head and neck squamous cell cancer).
  * For Cohort C - urothelial tract cancer of the renal pelvis, ureter, bladder, or urethra (transitional cell or non-transitional cell histology)
  * For Cohort D - adenocarcinoma of the stomach or gastroesophageal junction
  * For Cohort B2 - squamous cell carcinoma of the head and neck (both HPV-positive and -negative head and neck squamous cell cancer)
* Any number of prior treatment regimens
* Measurable disease
* Eastern Cooperative Oncology Group (ECOG) Performance status of 0 or 1
* Female participants of childbearing potential must be willing to use 2 methods of birth control or be surgically sterile, or abstain from heterosexual activity for the course of the study through 120 days after the last dose of study treatment
* Male participants must agree to use an adequate method of contraception starting with the first dose of study therapy through 120 days after the last dose of study treatment

Exclusion Criteria:

* Currently participating in/has participated in a study of an investigational agent or using an investigational device within 4 weeks of the first dose of study treatment
* Diagnosis of immunosuppression or receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of study treatment
* Anti-cancer monoclonal antibody treatment within 4 weeks prior to study Day 1 or not recovered from adverse events due to agents administered more than 4 weeks earlier
* Chemotherapy, targeted small molecule therapy or radiation therapy within 2 weeks prior to study Day 1 or not recovered from adverse events due to a previously administered agent
* Known additional malignancy that is progressing or requires active treatment excepting basal cell carcinoma of the skin, squamous cell carcinoma of the skin, or in situ cervical cancer that has undergone potentially curative therapy
* Known active central nervous system (CNS) metastases and/or carcinomatous meningitis
* Active autoimmune disease requiring systemic treatment within the past 3 months or documented history of clinically severe autoimmune disease, or syndrome that requires systemic steroids or immunosuppressive agents
* Evidence of interstitial lung disease
* Active infection requiring systemic therapy
* Known psychiatric or substance abuse disorders
* Pregnant, breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 120 days after the last dose of trial treatment
* Prior therapy with an anti-programmed cell death 1 (PD-1), anti-PD-L1, anti-PD-L2, anti-CD137 antibody, or anti-cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) antibody
* Known history of human immunodeficiency virus (HIV)
* Known active Hepatitis B or Hepatitis C
* Received live vaccine within 30 days prior to start of study treatment
* Is or has an immediate family member (e.g., spouse, parent/legal guardian, sibling or child) who is Investigational site or Sponsor staff directly involved with this trial, unless prospective Independent Review Board (IRB) approval (by Chair or Designee) is given allowing exception to this criterion for a specific participant
B: Inclusion Criteria:

* Adult patients \>=18 years of age
* Inoperable locally advanced, recurrent, and/or metastatic cancer of the stomach or gastro-esophageal junction
* Adenocarcinoma
* HER2-positive tumors

Exclusion Criteria:

* Previous chemotherapy for advanced/metastatic disease
* Lack of physical integrity of the upper gastrointestinal tract, or malabsorption syndrome
* History of cardiac disease
* Dyspnoea at rest, due to complications of advanced malignancy or other disease, or patients who require supportive oxygen therapy
C: Inclusion Criteria:

* Patients ≥ 18 years
* histologically confirmed inoperable locally advanced, recurrent, or metastatic adenocarcinoma of the stomach or gastro-oesophageal junction;
* ECOG (Eastern Cooperative Oncology Group) performance status 0-2;
* adequate renal, hepatic, and hematologic function;
* measurable or nonmeasurable disease according to the Response Evaluation Criteria in Solid Tumors (RECIST). Patients with intraoperatively confirmed intraperitoneal metastases but without detectable disease in radiological studies were also eligible

Exclusion Criteria:

* HER2- positive tumors defined as either IHC 3+ or IHC 2+, the latter in combination with FISH+
* previous chemotherapy for metastatic or locally advanced disease
* surgery \<3 weeks before the onset of the study treatment
* congestive heart failure
* significant dysphagia that would preclude oral administration of capecitabine
* concurrent malignant disease, except for adequately treated tumors with high likelihood of being cured (e.g. basal cell carcinoma of the skin, cervical cancer)
* clinical evidence of brain metastases
D: Inclusion Criteria:

* Histologically confirmed adenocarcinoma
* Unresectable and recurrent gastric cancer
* Age 20 to 74
* Performance status 0, 1, or 2 (ECOG)
* Life expectancy 3 months
* No prior chemotherapy or radiotherapy for gastric cancer
* Able to take oral medication
* Evaluable or not evaluable lesion had already checked more than 28 days before participated in this study
* Hematopoietic Absolute granulocyte count lower limit of normal-12,000/mm\^3 Platelet ≥ 100,000/mm\^3 Hemoglobin ≥ 8.0 g/dL
* Hepatic AST and ALT ≤ 100 U/L ALP ≤ 2 times upper limit of normal (ULN) Bilirubin ≤ 1.5 mg/dL
* Renal Plasma creatinine ≤ ULN Creatinine clearance ≥ 50 mL/min

Exclusion Criteria:

* Pregnant or nursing
* Bleeding from gastrointestinal tract or no diarrhea
* Hypersensitivity to TS-1 or CDDP
* Psychiatric disorder that would preclude study compliance or giving informed consent
* Severe acute or chronic medical or psychiatric condition or laboratory abnormality
* Serious illness or medical condition
* Brain metastasis
* Ascites requiring drainage

Answer: C