Patient presented for TURP. The medical record only tells us that the patient has elevated PSA of 9.62. Biopsy revealed prostatic adenocarcinoma, G4, in the right and left apex, Gleason score of 9. MRI of Pelvis revealed extraprostatic extension of the prostatic mass, no LAD seen. Radical prostatectomy performed revealing prostate carcinoma, with extraprostatic extension, no seminal vesicle involvement, Gleason score of 10, 1/4 external iliac LN pos, margins are clear. What is the clinical stage group?

Colonoscopy: 2cm obstructing circumferential mass in the transverse colon. Biopsy revealed adenocarcinoma, G3. CTAP colon wall thickening c/w known colon malignancy. Two pericolic lymph nodes suspicious for mets. Hemicolectomy performed revealing adenocarcinoma of transverse colon, G3, invading pericolorectal tissue, 5/12 pericolorectal nodes, no tumor deposits, margins clear. What is the clinical T category?

Colonoscopy: 2cm obstructing circumferential mass in the transverse colon. Biopsy revealed adenocarcinoma, G3. CTAP colon wall thickening c/w known colon malignancy. Two pericolic lymph nodes suspicious for mets. Hemicolectomy performed revealing adenocarcinoma of transverse colon, G3, invading pericolorectal tissue, 5/12 pericolorectal nodes, no tumor deposits, margins clear. What is the pathological T category?

CTAP revealed bladder thickening w/ suspicious lymph nodes. Biopsy of the sacral and mesenteric lymph nodes revealed urothelial carcinoma of the bladder. TURB performed revealing urothelial carcinoma, HG, invades muscularis propria. What is the clinical Staging?

CT Chest revealed 2cm nodule in the RUL c/w bronchogenic malignancy, right subcarinal lymph nodes suspicious for involvement. PET scan showed 2.2cm mass with extension into the chest wall. Lobectomy was performed revealing 4cm squamous cell carcinoma in the right upper lobe, parietal pleura involved, pericardial effusion positive for carcinoma, 2 subcarinal nodes neg for malignancy. What is the Clinical T category?

Patient with prostate cancer presented for prostatectomy. Path revealed: mass located in the prostate invades into prostatic capsule, 0/4 ln pos, What is the summary stage?

In an SVM, which points directly determine the decision boundary?

CT Chest revealed 2cm nodule in the RUL c/w bronchogenic malignancy, right subcarinal lymph nodes suspicious for involvement. PET scan showed 2.2cm mass with extension into the chest wall. Lobectomy was performed revealing 4cm squamous cell carcinoma in the right upper lobe, parietal pleura involved, pericardial effusion positive for carcinoma, 2 subcarinal nodes neg for malignancy. What is the pathological stage group?

A model has very high training accuracy but noticeably worse test accuracy. What is the most likely explanation? 

Patient presented for hematuria. CTAP revealed bladder wall thickening, no other abnormalities seen. Cystoscopy with transurethral resection of the bladder was performed revealing papillary urothelial carcinoma, G1. Tumor invades peri vesical soft tissue. What is the Clinical N AJCC?