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The objective of this study was to analyze the pathological factors influencing the occurrence and prognosis of SPC in CRC patients of varying ages and compare the differences in the patterns of SPC occurrence and prognosis among patients of different age groups.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| <50 years |
| ||
| 50-69 years |
| ||
| ≥70 years |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| no intervention | Other | no intervention |
|
| Measure | Description | Time Frame |
|---|---|---|
| overall survival | The duration from the date of surgery to death for any reason or the last recorded follow-up, whichever comes first. Up to 100 months | The duration from the date of surgery to death for any reason or the last recorded follow-up, whichever comes first. Up to 100 months |
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Inclusion Criteria:
Exclusion Criteria:
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Patients retrieved from the database of Fudan University Shanghai Cancer Center. These patients were diagnosed with CRC primary tumors between January 2008 and December 2018.
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| ID | Term |
|---|---|
| D015179 | Colorectal Neoplasms |
| D016609 | Neoplasms, Second Primary |
| ID | Term |
|---|---|
| D007414 | Intestinal Neoplasms |
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
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| D009369 | Neoplasms |
| D004066 | Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D003108 | Colonic Diseases |
| D007410 | Intestinal Diseases |
| D012002 | Rectal Diseases |