Multi center prospective study of indeterminate pulmonary nodule (IPN) detected by computed tomography before primary resection of clinical stage I-III colorectal cancer

Multi center prospective study of indeterminate pulmonary nodule (IPN) detected by computed tomography before primary resection of clinical stage I-III colorectal cancer - Prospective study of IPN

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040929

Enrollment

100

Registered

2020-06-28

Start date

2020-06-28

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

colorectal cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Age:>=20 years old 2)Histologically confirmed colorectal cancer adenocarcinoma, clinical stage I - III 3)R0 resection for primary lesion is planned for initial treatment 4)IPN detected by CT but difficult to get a sample or diagnose by image finding 5)Written informed consent

Exclusion criteria

Exclusion criteria: 1) History of other carcinoma within 5 years 2) Multiple cancer 3) cStage IV 4) Clinically possible to diagnose benignancy and malignancy by physician 5) Other conditions judged ineligible by physician

Design outcomes

Primary

Measure	Time frame
Pulmonary metastasis rate	—

Secondary

Measure	Time frame
Follow-up time until diagnosis of metastasis False positive rate	—

Countries

Japan

Contacts

Public ContactMamoru Uchiyama

Kanagawa Cancer Center Department of Gastrointestinal Surgery

m.uchiyama@kcch.jp045-520-2222

Outcome results