A Study in People With Advanced Cancer to Test How BI 907828 is Processed in the Body

Inclusion Criteria: * Signed and dated written informed consent in accordance with International Conference on Harmonisation-Good Clinical Practice (ICH-GCP) and local legislation prior to admission to the trial. * Male patients, age 18-70 years; or women of non-childbearing potential\* aged ≥ 18 years and ≤ 70 years at the time of signature of the ICF. \*Non-childbearing potential is defined as permanently sterile or post-menopausal. Permanent sterilization methods include hysterectomy, bilateral salpingectomy and bilateral oophorectomy. Tubal ligation is NOT a method of permanent sterilization. Postmenopausal defined as at least 1 year of spontaneous amenorrhea (in questionable cases a blood sample with levels of FSH above 40 U/L or 40 IU/L and estradiol below 30 ng/L or 110.13 pmol/L is confirmatory) without an alternative medical cause. * Histologically or cytologically confirmed diagnosis of an advanced, unresectable and/or metastatic solid tumor. * Patients with measurable or non-measurable disease. Non-evaluable disease is allowed. * Patient who has failed or rejected conventional treatment or for whom no therapy of proven efficacy exists or who is not eligible for established treatment options. Patient should have exhausted available treatment options known to prolong survival for their disease. * BMI of 18.5 to 29.9 kilogram per square meter (kg/m2) at Screening. * Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1. * All toxicities relat…